{"id":156064,"date":"2025-04-24T11:39:14","date_gmt":"2025-04-24T11:39:14","guid":{"rendered":"https:\/\/postmansmtp.com\/?p=156064"},"modified":"2026-03-10T09:25:27","modified_gmt":"2026-03-10T09:25:27","slug":"microsoft-outlooks-sender-requirements","status":"publish","type":"post","link":"https:\/\/postmansmtp.com\/es\/microsoft-outlooks-sender-requirements\/","title":{"rendered":"Microsoft Outlook\u2019s New Requirements for High\u2010Volume Senders [2026 Update] \u2014 What You Need To Know"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Following Google (Gmail) and Yahoo&#8217;s crackdown on bulk email senders in 2024, Microsoft Outlook is tightening the rules for high-volume senders from May 5, 2025. If you&#8217;re sending bulk messages (more than 5000 emails a day) to customers, clients, or subscribers through Outlook, ignoring these updates could land your messages straight in the junk folder or worse\u2014get your domain throttled or blocked.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this article, we will break down everything you need to know about Microsoft Outlook\u2019s new requirements for high-volume email senders, why Microsoft made these changes, and what practical steps you can take to protect your sender reputation and maintain email deliverability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ready? Let\u2019s get started!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>NOTE:<\/strong> These requirements will only apply to Outlook, which includes Outlook.com, Hotmail.com, and Live.com.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What Are Microsoft Outlook\u2019s New Sender Requirements?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/techcommunity.microsoft.com\/blog\/microsoftdefenderforoffice365blog\/strengthening-email-ecosystem-outlook%E2%80%99s-new-requirements-for-high%E2%80%90volume-senders\/4399730\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">On April 2, 2025<\/a>, via a Microsoft community blog, they announced the enforcement of email authentication protocols for all senders who send large volumes of email (more than 5,000 emails a day) through Outlook.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This update is part of a broader effort to combat spam, phishing, and spoofing, which continue to be widespread problems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you&#8217;re sending over 5,000 emails per day, here&#8217;s what you now need to pass:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SPF<\/strong> (Sender Policy Framework): Your DNS must list all legitimate IPs allowed to send mail on your domain\u2019s behalf.<\/li>\n\n\n\n<li><strong>DKIM<\/strong> (DomainKeys Identified Mail): To verify the integrity and authenticity of your email, you must have a DKIM record set up.<\/li>\n\n\n\n<li><strong>DMARC<\/strong> (Domain-based Message Authentication, Reporting, and Conformance): Your domain needs a published DMARC record with at least a p=none policy, aligned with SPF or DKIM (preferably both).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>NOTE:<\/strong> Enforcement begins May 5, 2025, and the first wave of non-compliant emails will be rerouted to recipients&#8217; Junk folders. Later, Microsoft plans to outright reject these emails.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Let&#8217;s Understand Outlook&#8217;s New Sender Requirements in Detail&nbsp;<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SPF, DKIM, and DMARC are the industry-standard email authentication protocols that verify the integrity and authenticity of both the sender and the content of an email.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>According to Google, after implementing email authentication requirements, <\/strong><a href=\"https:\/\/www.forbes.com\/sites\/daveywinder\/2024\/10\/08\/google-confirms-new-gmail-security--boost-for-25-billion-users\/#:~:text=265%20billion%20fewer%20unauthenticated%20messages%20sent%20in%202024.\"><strong>265 billion <\/strong><strong>fewer unauthenticated messages<\/strong><\/a><strong> were sent in 2024.<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Microsoft is now holding senders accountable for securing their outbound emails. So, let\u2019s understand these protocols in detail:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SPF (Sender Policy Framework)<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SPF is your domain\u2019s way of saying, \u00abThese are the IP addresses allowed to send email on behalf of me.\u00bb In other words, if an email sent from your domain is coming from an IP address listed in your DNS record. If the sending server is not listed in the SPF record, the message fails SPF checks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To meet the SPF record requirement:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You must publish an SPF record in your DNS settings.<\/li>\n\n\n\n<li>That record should clearly list all sending IPs and domains.<\/li>\n\n\n\n<li>Keep SPF under 10 DNS lookups to avoid automatic failures.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A valid SPF record looks something like this: <strong>v=spf1 include:_spf.google.com ~all<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To learn more about SPF Records, check our detailed blog on <a href=\"https:\/\/postmansmtp.com\/what-is-an-spf-record\/\" target=\"_blank\" rel=\"noreferrer noopener\">What is an SPF Record? How Does It Work [Ultimate Guide]<\/a>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>DKIM (DomainKeys Identified Mail)<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DKIM attaches a cryptographic signature to each email, which the recipient\u2019s server can verify using your domain&#8217;s public key published in DNS. It\u2019s like sealing a letter in wax: if the seal is broken, something\u2019s wrong.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For you to meet the DKIM requirements:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Each outgoing message must include a valid DKIM signature.<\/li>\n\n\n\n<li>This signature proves the message hasn\u2019t been tampered with in transit.<\/li>\n\n\n\n<li>Set up DKIM through your DNS with public\/private key pairs.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">If you use multiple services to send email (e.g., CRM and newsletter tools), each should have its own DKIM selector.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For more details on DKIM, read this blog \ud83d\udc49 <a href=\"https:\/\/postmansmtp.com\/what-is-dkim-record\/\" target=\"_blank\" rel=\"noreferrer noopener\">What is DKIM Record: Definitive Guide [2025]<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>DMARC (Domain-based Message Authentication, Reporting, and Conformance)<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DMARC sits on top of SPF and DKIM, which specify how receiving servers should handle messages that are not authenticated. It also sends reports so domain owners can see who&#8217;s sending on their behalf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The DMARC requirements by Microsoft for Outlook are as follows:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Microsoft requires a minimum policy of p=none, with alignment to either SPF or DKIM (preferably both).<\/li>\n\n\n\n<li>Over time, senders are encouraged to move to stricter settings, such as \u201cquarantine\u201d or \u201creject.\u201d<\/li>\n\n\n\n<li>Alignment means the \u00abFrom\u00bb domain must match the domain used in SPF or DKIM.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DMARC reports (RUA) are valuable for monitoring who is sending on your behalf. Microsoft sends these if requested in your DMARC record.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pro Tip:<\/strong> For your DMARC policy, start with \u201cnone,\u201d monitor reports via \u201crua\u201d tags, and gradually move toward stricter policies.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Email Hygiene Best Practices Recommended by Outlook<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Even if you pass SPF, DKIM, and DMARC checks, poor email hygiene can still land you in trouble. Microsoft strongly advises the following:<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u2714\ufe0f Valid Sender Addresses<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Your \u00abFrom\u00bb or \u00abReply-To\u00bb email should be an actively monitored address.<\/li>\n\n\n\n<li>Avoid using no-reply addresses that prevent user feedback.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u2714\ufe0f Functional Unsubscribe Links<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Include a clearly visible opt-out link in all marketing emails.<\/li>\n\n\n\n<li>A working unsubscribe mechanism is legally required in many regions and improves recipient trust.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u2714\ufe0f Maintain List Hygiene<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Regularly scrub your mailing list to remove invalid or inactive addresses.<\/li>\n\n\n\n<li>A bounce rate above <strong>2%<\/strong> is considered problematic.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u2714\ufe0f Transparent Content Practices<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Subject lines should reflect the email\u2019s actual content.<\/li>\n\n\n\n<li>Avoid deceptive headers or bait-and-switch tactics.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">According to Validity&#8217;s 2023 Email Benchmark Report, marketers with poor list hygiene saw a 27% higher spam complaint rate and 34% lower deliverability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Enforcement Timeline and Phases<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here\u2019s how these new requirements will roll out:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>May 5, 2025<\/strong>: Soft enforcement begins. Emails from high-volume domains that fail SPF, DKIM, or DMARC will be directed to the Junk\/Spam folder.<\/li>\n\n\n\n<li><strong>Future Date (TBD)<\/strong>: Later in 2025, full enforcement will take effect. Anyone who fails to authenticate their emails may be blocked entirely.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This phased approach gives senders a grace period to align their configurations. Don\u2019t wait until messages vanish into the void.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you don\u2019t know how to set up SPF, DKIM, and DMARC in your DNS settings, feel free to contact us. Our team of technical media specialists is here to help. <a href=\"https:\/\/postmansmtp.com\/configuration-request\/\" target=\"_blank\" rel=\"noreferrer noopener\">Click here to Book a Call Now!<\/a>&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How to Stay Compliant with Microsoft Outlook&#8217;s New Rules<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Let\u2019s dive into the action plan. Here\u2019s how you can adapt and thrive under the new sender policies:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step #1: Authenticate All Emails<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Double-check your SPF, DKIM, and DMARC records for all sending domains. Use tools like:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/mxtoolbox.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">MXToolbox<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.mimecast.com\/products\/dmarc-analyzer\/\" target=\"_blank\" rel=\"noreferrer noopener\">DMARC Analyzer<\/a><\/li>\n\n\n\n<li>Google\u2019s CheckMX tool<\/li>\n\n\n\n<li><a href=\"https:\/\/postmansmtp.com\/domain-health-checker\/\" target=\"_blank\" rel=\"noreferrer noopener\">Spam Score Checker by Post SMTP<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pro Tip:<\/strong><strong> <\/strong>Use a p=quarantine or p=reject DMARC policy if your authentication setup is solid. Microsoft may favor stricter policies for high-volume senders.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step #2: Align Your Domains<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Make sure your \u201cFrom\u201d address domain aligns with your SPF and DKIM domains. If you\u2019re using third-party services like Mailchimp, SendGrid, Brevo, Mailgun or Postmark\u2014verify that your custom domain is authenticated properly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step #3: Monitor Spam Complaint Rates<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Actively monitor your complaint rates through:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Microsoft SNDS (Smart Network Data Services)<\/li>\n\n\n\n<li>Feedback loops (FBLs) with major mailbox providers<\/li>\n\n\n\n<li>Your ESP (Email Service Provider) dashboards<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\"><a href=\"https:\/\/www.validity.com\/wp-content\/uploads\/2024\/02\/The-State-of-Email-in-2024-Keeping-Ahead-of-the-Curve.pdf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>According to Validity\u2019s 2024 Email Benchmark Report<\/strong><\/a><strong>, the average spam complaint rate for reputable senders is around 0.07%.<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Microsoft has not specified any specific rate yet, but Google and Yahoo start throttling or blocking traffic if your complaint rate consistently exceeds 0.3%. Therefore, make sure your spam rate remains below 0.1%.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step #4: Review Your Reverse DNS Records<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Match your sending IP\u2019s rDNS with your sending domain. This is often overlooked but critically important. Many ESPs handle this automatically, but if you manage your own mail servers, make it a priority to do so.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step #5: Maintain a Clean Mailing List<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Use confirmed opt-ins and regularly purge inactive or bouncing emails. Focus on engaged users, not the size of the list.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Remember that email lists with high engagement rates experience higher inbox placement than those with inflated, outdated lists.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That\u2019s all you need to know about the new Microsoft Outlook\u2019s sender requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Need Help for Setting Up SPF, DKIM, and DMARC Records?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We understand that getting your domain fully authenticated can feel overwhelming, especially with all the technical details involved\u2014but you don\u2019t have to figure it out alone. Our team of experienced email specialists is here to help.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you&#8217;re struggling with SPF syntax, unsure how to generate DKIM keys, or need guidance crafting a solid DMARC policy, we offer hands-on support to get everything set up correctly. We\u2019ll work directly with your DNS provider and email platform to ensure your records are configured the right way from the start.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ready to boost your deliverability and protect your domain? <a href=\"https:\/\/postmansmtp.com\/configuration-request\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contact us today to get expert help<\/a> from our technical team.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>FAQs Answered by Microsoft (With Clarification)<\/strong><\/h2>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Following Google (Gmail) and Yahoo&#8217;s crackdown on bulk email senders in 2024, [&hellip;]<\/p>\n","protected":false},"author":6276,"featured_media":156082,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Microsoft Outlook New Sender Requirements [2026 Update] %%sep%% %%sitetitle%%","_seopress_titles_desc":"Learn about the new sender requirements for Microsoft Outlook in 2025. Set up SPF, DKIM, and DMARC, as well as what else you need to do to stay compliant.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"Microsoft Outlook New Sender Requirements [2026 Update] - Post SMTP","_seopress_social_fb_desc":"Learn about the new sender requirements for Microsoft Outlook in 2025. Set up SPF, DKIM, and DMARC, as well as what else you need to do to stay compliant.","_seopress_social_fb_img":"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_SM.jpg","_seopress_social_fb_img_attachment_id":156083,"_seopress_social_fb_img_width":2500,"_seopress_social_fb_img_height":1309,"_seopress_social_twitter_title":"Microsoft Outlook New Sender Requirements [2026 Update] - Post SMTP","_seopress_social_twitter_desc":"Learn about the new sender requirements for Microsoft Outlook in 2025. Set up SPF, DKIM, and DMARC, as well as what else you need to do to stay compliant.","_seopress_social_twitter_img":"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_SM.jpg","_seopress_social_twitter_img_attachment_id":156083,"_seopress_social_twitter_img_width":2500,"_seopress_social_twitter_img_height":1309,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"Microsoft Outlook New Sender Requirements","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"inline_featured_image":false,"_uag_custom_page_level_css":"","advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":"","jetpack_post_was_ever_published":false},"categories":[11],"tags":[],"class_list":["post-156064","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-announcement"],"acf":[],"author_meta":{"display_name":"Tahir Ali","author_link":"https:\/\/postmansmtp.com\/es\/author\/tahir\/"},"featured_img":"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner-300x97.jpg","jetpack_featured_media_url":"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner.jpg","spectra_custom_meta":{"_edit_lock":["1778815917:6417"],"_g_feedback_shortcode_a25188fb3d8a438ab66b9b8652b5f8d1c4b2ec4f":["\n\t\t\t\t[contact-field label=\"Name\" type=\"name\"  required=\"true\" \/]\n\t\t\t\t[contact-field label=\"Email\" type=\"email\" required=\"true\" \/]\n\t\t\t\t[contact-field label=\"Website\" type=\"url\" \/]\n\t\t\t\t[contact-field label=\"Message\" type=\"textarea\" \/]"],"_g_feedback_shortcode_atts_a25188fb3d8a438ab66b9b8652b5f8d1c4b2ec4f":["a:17:{s:2:\"to\";s:23:\"tahir.objects@gmail.com\";s:7:\"subject\";s:116:\"[Post SMTP] Microsoft Outlook\u2019s New Requirements for High\u2010Volume Senders [2025 Update] \u2014 What You Need To Know\";s:12:\"show_subject\";s:2:\"no\";s:6:\"widget\";i:0;s:14:\"block_template\";N;s:19:\"block_template_part\";N;s:2:\"id\";i:156064;s:18:\"submit_button_text\";s:6:\"Submit\";s:14:\"customThankyou\";s:0:\"\";s:21:\"customThankyouHeading\";s:26:\"Your message has been sent\";s:21:\"customThankyouMessage\";s:30:\"Thank you for your submission!\";s:22:\"customThankyouRedirect\";s:0:\"\";s:10:\"jetpackCRM\";b:1;s:9:\"className\";N;s:9:\"postToUrl\";N;s:14:\"salesforceData\";N;s:12:\"hiddenFields\";N;}"],"_seopress_robots_primary_cat":["none"],"_seopress_titles_title":["Microsoft Outlook New Sender Requirements [2026 Update] %%sep%% %%sitetitle%%"],"_seopress_titles_desc":["Learn about the new sender requirements for Microsoft Outlook in 2025. Set up SPF, DKIM, and DMARC, as well as what else you need to do to stay compliant."],"_bbp_topic_count":["0"],"_bbp_reply_count":["0"],"_bbp_total_topic_count":["0"],"_bbp_total_reply_count":["0"],"_bbp_voice_count":["0"],"_bbp_anonymous_reply_count":["0"],"_bbp_topic_count_hidden":["0"],"_bbp_reply_count_hidden":["0"],"_bbp_forum_subforum_count":["0"],"inline_featured_image":[""],"_uag_custom_page_level_css":[""],"advgb_blocks_editor_width":[""],"advgb_blocks_columns_visual_guide":[""],"site-sidebar-layout":["default"],"site-content-layout":[""],"ast-site-content-layout":["default"],"site-content-style":["default"],"site-sidebar-style":["default"],"ast-global-header-display":[""],"ast-banner-title-visibility":[""],"ast-main-header-display":[""],"ast-hfb-above-header-display":[""],"ast-hfb-below-header-display":[""],"ast-hfb-mobile-header-display":[""],"site-post-title":[""],"ast-breadcrumbs-content":[""],"ast-featured-img":[""],"footer-sml-layout":[""],"theme-transparent-header-meta":[""],"adv-header-id-meta":[""],"stick-header-meta":[""],"header-above-stick-meta":[""],"header-main-stick-meta":[""],"header-below-stick-meta":[""],"astra-migrate-meta-layouts":["set"],"ast-page-background-enabled":["default"],"ast-page-background-meta":["a:3:{s:7:\"desktop\";a:12:{s:16:\"background-color\";s:0:\"\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"tablet\";a:12:{s:16:\"background-color\";s:0:\"\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"mobile\";a:12:{s:16:\"background-color\";s:0:\"\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}}"],"ast-content-background-meta":["a:3:{s:7:\"desktop\";a:12:{s:16:\"background-color\";s:25:\"var(--ast-global-color-5)\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"tablet\";a:12:{s:16:\"background-color\";s:25:\"var(--ast-global-color-5)\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"mobile\";a:12:{s:16:\"background-color\";s:25:\"var(--ast-global-color-5)\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}}"],"footnotes":[""],"_elementor_edit_mode":[""],"_elementor_template_type":[""],"_elementor_data":[""],"_elementor_conditions":["a:0:{}"],"_edit_last":["6407"],"_seopress_social_fb_title":["Microsoft Outlook New Sender Requirements [2026 Update] - Post SMTP"],"_seopress_social_fb_desc":["Learn about the new sender requirements for Microsoft Outlook in 2025. Set up SPF, DKIM, and DMARC, as well as what else you need to do to stay compliant."],"_seopress_social_twitter_title":["Microsoft Outlook New Sender Requirements [2026 Update] - Post SMTP"],"_seopress_social_twitter_desc":["Learn about the new sender requirements for Microsoft Outlook in 2025. Set up SPF, DKIM, and DMARC, as well as what else you need to do to stay compliant."],"_seopress_redirections_type":["301"],"_seopress_redirections_logged_status":["both"],"_seopress_analysis_target_kw":["Microsoft Outlook New Sender Requirements"],"um_content_restriction":["a:8:{s:26:\"_um_custom_access_settings\";b:0;s:14:\"_um_accessible\";i:0;s:28:\"_um_access_hide_from_queries\";b:0;s:19:\"_um_noaccess_action\";i:0;s:30:\"_um_restrict_by_custom_message\";i:0;s:27:\"_um_restrict_custom_message\";s:0:\"\";s:19:\"_um_access_redirect\";i:0;s:23:\"_um_access_redirect_url\";s:0:\"\";}"],"_eael_post_view_count":["5307"],"_thumbnail_id":["156082"],"_seopress_social_fb_img":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_SM.jpg"],"_seopress_social_fb_img_attachment_id":["156083"],"_seopress_social_fb_img_width":["2500"],"_seopress_social_fb_img_height":["1309"],"_seopress_social_twitter_img":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_SM.jpg"],"_seopress_social_twitter_img_attachment_id":["156083"],"_seopress_social_twitter_img_width":["2500"],"_seopress_social_twitter_img_height":["1309"],"ast-disable-related-posts":[""],"ezd_doc_contributors":["6407,6407,"],"old_thumbnail_id":["156080"],"_wpml_word_count":["1551"],"copied_media_ids":["a:0:{}"],"referenced_media_ids":["a:1:{i:0;i:156082;}"],"_wpml_location_migration_done":["1"],"_uagb_toc_options":["a:2:{s:17:\"_uagb_toc_version\";s:10:\"1780582568\";s:18:\"_uagb_toc_headings\";a:15:{i:0;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:51:\"what-are-microsoft-outlooks-new-sender-requirements\";s:7:\"content\";s:55:\"What Are Microsoft Outlook\u2019s New Sender Requirements?\";s:5:\"depth\";i:2;}i:1;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:58:\"lets-understand-outlooks-new-sender-requirements-in-detail\";s:7:\"content\";s:62:\"Let's Understand Outlook's New Sender Requirements in Detail\u00a0\";s:5:\"depth\";i:2;}i:2;a:4:{s:5:\"level\";i:3;s:2:\"id\";s:27:\"spf-sender-policy-framework\";s:7:\"content\";s:29:\"SPF (Sender Policy Framework)\";s:5:\"depth\";i:3;}i:3;a:4:{s:5:\"level\";i:3;s:2:\"id\";s:31:\"dkim-domainkeys-identified-mail\";s:7:\"content\";s:33:\"DKIM (DomainKeys Identified Mail)\";s:5:\"depth\";i:3;}i:4;a:4:{s:5:\"level\";i:3;s:2:\"id\";s:67:\"dmarc-domain-based-message-authentication-reporting-and-conformance\";s:7:\"content\";s:71:\"DMARC (Domain-based Message Authentication, Reporting, and Conformance)\";s:5:\"depth\";i:3;}i:5;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:51:\"email-hygiene-best-practices-recommended-by-outlook\";s:7:\"content\";s:51:\"Email Hygiene Best Practices Recommended by Outlook\";s:5:\"depth\";i:2;}i:6;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:31:\"enforcement-timeline-and-phases\";s:7:\"content\";s:31:\"Enforcement Timeline and Phases\";s:5:\"depth\";i:2;}i:7;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:55:\"how-to-stay-compliant-with-microsoft-outlooks-new-rules\";s:7:\"content\";s:56:\"How to Stay Compliant with Microsoft Outlook's New Rules\";s:5:\"depth\";i:2;}i:8;a:4:{s:5:\"level\";i:3;s:2:\"id\";s:30:\"step-1-authenticate-all-emails\";s:7:\"content\";s:32:\"Step #1: Authenticate All Emails\";s:5:\"depth\";i:3;}i:9;a:4:{s:5:\"level\";i:3;s:2:\"id\";s:25:\"step-2-align-your-domains\";s:7:\"content\";s:27:\"Step #2: Align Your Domains\";s:5:\"depth\";i:3;}i:10;a:4:{s:5:\"level\";i:3;s:2:\"id\";s:35:\"step-3-monitor-spam-complaint-rates\";s:7:\"content\";s:37:\"Step #3: Monitor Spam Complaint Rates\";s:5:\"depth\";i:3;}i:11;a:4:{s:5:\"level\";i:3;s:2:\"id\";s:38:\"step-4-review-your-reverse-dns-records\";s:7:\"content\";s:40:\"Step #4: Review Your Reverse DNS Records\";s:5:\"depth\";i:3;}i:12;a:4:{s:5:\"level\";i:3;s:2:\"id\";s:36:\"step-5-maintain-a-clean-mailing-list\";s:7:\"content\";s:38:\"Step #5: Maintain a Clean Mailing List\";s:5:\"depth\";i:3;}i:13;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:51:\"need-help-for-setting-up-spf-dkim-and-dmarc-records\";s:7:\"content\";s:54:\"Need Help for Setting Up SPF, DKIM, and DMARC Records?\";s:5:\"depth\";i:2;}i:14;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:45:\"faqs-answered-by-microsoft-with-clarification\";s:7:\"content\";s:47:\"FAQs Answered by Microsoft (With Clarification)\";s:5:\"depth\";i:2;}}}"],"_uag_page_assets":["a:9:{s:3:\"css\";s:8757:\".wp-block-uagb-container.uagb-block-6a49e24e .uagb-container__shape-top svg{width: calc( 100% + 1.3px );}.wp-block-uagb-container.uagb-block-6a49e24e .uagb-container__shape.uagb-container__shape-top .uagb-container__shape-fill{fill: rgba(51,51,51,1);}.wp-block-uagb-container.uagb-block-6a49e24e .uagb-container__shape-bottom svg{width: calc( 100% + 1.3px );}.wp-block-uagb-container.uagb-block-6a49e24e .uagb-container__shape.uagb-container__shape-bottom .uagb-container__shape-fill{fill: rgba(51,51,51,1);}.wp-block-uagb-container.uagb-block-6a49e24e .uagb-container__video-wrap video{opacity: 1;}.wp-block-uagb-container.uagb-is-root-container .uagb-block-6a49e24e{max-width: 100%;width: 100%;}.wp-block-uagb-container.uagb-is-root-container.alignfull.uagb-block-6a49e24e > .uagb-container-inner-blocks-wrap{--inner-content-custom-width: min( 100%, 1200px);max-width: var(--inner-content-custom-width);width: 100%;flex-direction: column;align-items: center;justify-content: center;flex-wrap: nowrap;row-gap: 20px;column-gap: 20px;}.wp-block-uagb-container.uagb-block-6a49e24e{box-shadow: 0px 0px   #00000070 ;padding-top: 10px;padding-bottom: 10px;padding-left: 10px;padding-right: 10px;margin-top:  !important;margin-bottom:  !important;overflow: visible;order: initial;border-color: inherit;row-gap: 20px;column-gap: 20px;}.uagb-block-c9b79c98.wp-block-uagb-image--layout-default figure img{box-shadow: 0px 0px 0 #00000070;}.uagb-block-c9b79c98.wp-block-uagb-image .wp-block-uagb-image__figure figcaption{font-style: normal;align-self: center;}.uagb-block-c9b79c98.wp-block-uagb-image--layout-overlay figure img{box-shadow: 0px 0px 0 #00000070;}.uagb-block-c9b79c98.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__color-wrapper{opacity: 0.2;}.uagb-block-c9b79c98.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner{left: 15px;right: 15px;top: 15px;bottom: 15px;}.uagb-block-c9b79c98.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner .uagb-image-heading{font-style: normal;color: #fff;opacity: 1;}.uagb-block-c9b79c98.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner .uagb-image-heading a{color: #fff;}.uagb-block-c9b79c98.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner .uagb-image-caption{opacity: 0;}.uagb-block-c9b79c98.wp-block-uagb-image--layout-overlay .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__color-wrapper{opacity: 1;}.uagb-block-c9b79c98.wp-block-uagb-image .wp-block-uagb-image--layout-overlay__inner .uagb-image-separator{width: 30%;border-top-width: 2px;border-top-color: #fff;opacity: 0;}.uagb-block-c9b79c98.wp-block-uagb-image .wp-block-uagb-image__figure img{width: px;height: auto;}.uagb-block-c9b79c98.wp-block-uagb-image .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__inner .uagb-image-caption{opacity: 1;}.uagb-block-c9b79c98.wp-block-uagb-image .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__inner .uagb-image-separator{opacity: 1;}.uagb-block-c9b79c98.wp-block-uagb-image--layout-default figure:hover img{box-shadow: 0px 0px 0 #00000070;}.uagb-block-c9b79c98.wp-block-uagb-image--layout-overlay figure:hover img{box-shadow: 0px 0px 0 #00000070;}@media only screen and (max-width: 976px) {.wp-block-uagb-container.uagb-is-root-container .uagb-block-6a49e24e{width: 100%;}.wp-block-uagb-container.uagb-is-root-container.alignfull.uagb-block-6a49e24e > .uagb-container-inner-blocks-wrap{--inner-content-custom-width: min( 100%, 1024px);max-width: var(--inner-content-custom-width);width: 100%;}.wp-block-uagb-container.uagb-block-6a49e24e{padding-top: 10px;padding-bottom: 10px;padding-left: 10px;padding-right: 10px;margin-top:  !important;margin-bottom:  !important;order: initial;}.uagb-block-c9b79c98.wp-block-uagb-image .wp-block-uagb-image__figure img{width: px;height: auto;}}@media only screen and (max-width: 767px) {.wp-block-uagb-container.uagb-is-root-container .uagb-block-6a49e24e{max-width: 100%;width: 100%;}.wp-block-uagb-container.uagb-is-root-container.alignfull.uagb-block-6a49e24e > .uagb-container-inner-blocks-wrap{--inner-content-custom-width: min( 100%, 767px);max-width: var(--inner-content-custom-width);width: 100%;flex-wrap: wrap;}.wp-block-uagb-container.uagb-block-6a49e24e{padding-top: 10px;padding-bottom: 10px;padding-left: 10px;padding-right: 10px;margin-top:  !important;margin-bottom:  !important;order: initial;}.uagb-block-c9b79c98.wp-block-uagb-image .wp-block-uagb-image__figure img{width: px;height: auto;}}.wp-block-uagb-container.uagb-block-21a93d71 .uagb-container__shape-top svg{width: calc( 100% + 1.3px );}.wp-block-uagb-container.uagb-block-21a93d71 .uagb-container__shape.uagb-container__shape-top .uagb-container__shape-fill{fill: rgba(51,51,51,1);}.wp-block-uagb-container.uagb-block-21a93d71 .uagb-container__shape-bottom svg{width: calc( 100% + 1.3px );}.wp-block-uagb-container.uagb-block-21a93d71 .uagb-container__shape.uagb-container__shape-bottom .uagb-container__shape-fill{fill: rgba(51,51,51,1);}.wp-block-uagb-container.uagb-block-21a93d71 .uagb-container__video-wrap video{opacity: 1;}.wp-block-uagb-container.uagb-is-root-container .uagb-block-21a93d71{max-width: 100%;width: 100%;}.wp-block-uagb-container.uagb-is-root-container.alignfull.uagb-block-21a93d71 > .uagb-container-inner-blocks-wrap{--inner-content-custom-width: min( 100%, 1200px);max-width: var(--inner-content-custom-width);width: 100%;flex-direction: column;align-items: center;justify-content: center;flex-wrap: nowrap;row-gap: 25px;column-gap: 25px;}.wp-block-uagb-container.uagb-block-21a93d71{box-shadow: 0px 0px   #00000070 ;padding-top: 30px;padding-bottom: 30px;padding-left: 15px;padding-right: 15px;margin-top: 10px !important;margin-bottom: 10px !important;margin-left: 10px;margin-right: 10px;overflow: visible;order: initial;border-top-width: 1px;border-left-width: 1px;border-right-width: 1px;border-bottom-width: 1px;border-top-left-radius: 10px;border-top-right-radius: 10px;border-bottom-left-radius: 10px;border-bottom-right-radius: 10px;border-style: solid;border-color: #e2e2e2;background-color: #fafafa;;row-gap: 25px;column-gap: 25px;}.wp-block-uagb-advanced-heading.uagb-block-63b4fb3b.wp-block-uagb-advanced-heading .uagb-heading-text{color: #214a72;}.wp-block-uagb-advanced-heading.uagb-block-63b4fb3b.wp-block-uagb-advanced-heading {text-align: center;}.wp-block-uagb-advanced-heading.uagb-block-63b4fb3b.wp-block-uagb-advanced-heading .uagb-desc-text{color: #737373;margin-bottom: 0px;}.wp-block-uagb-advanced-heading.uagb-block-63b4fb3b.wp-block-uagb-advanced-heading .uagb-highlight{font-style: normal;font-weight: Default;background: #007cba;color: #fff;-webkit-text-fill-color: #fff;}.wp-block-uagb-advanced-heading.uagb-block-63b4fb3b.wp-block-uagb-advanced-heading .uagb-highlight::-moz-selection{color: #fff;background: #007cba;-webkit-text-fill-color: #fff;}.wp-block-uagb-advanced-heading.uagb-block-63b4fb3b.wp-block-uagb-advanced-heading .uagb-highlight::selection{color: #fff;background: #007cba;-webkit-text-fill-color: #fff;}.wp-block-uagb-advanced-heading.uagb-block-63b4fb3b .uagb-heading-text{font-family: \"Poppins\";font-weight: 700;font-size: 28px;margin-bottom: 15px;}.wp-block-uagb-advanced-heading.uagb-block-63b4fb3b .uagb-desc-text{font-family: \"Poppins\";font-weight: 500;font-size: 16px;}@media only screen and (max-width: 976px) {.wp-block-uagb-container.uagb-is-root-container .uagb-block-21a93d71{width: 100%;}.wp-block-uagb-container.uagb-is-root-container.alignfull.uagb-block-21a93d71 > .uagb-container-inner-blocks-wrap{--inner-content-custom-width: min( 100%, 1024px);max-width: var(--inner-content-custom-width);width: 100%;}.wp-block-uagb-container.uagb-block-21a93d71{padding-top: 30px;padding-bottom: 30px;padding-left: 15px;padding-right: 15px;margin-top: 10px !important;margin-bottom: 10px !important;margin-left: 10px;margin-right: 10px;order: initial;border-style: solid;border-color: #e2e2e2;background-color: #fafafa;;}}@media only screen and (max-width: 767px) {.wp-block-uagb-container.uagb-is-root-container .uagb-block-21a93d71{max-width: 100%;width: 100%;}.wp-block-uagb-container.uagb-is-root-container.alignfull.uagb-block-21a93d71 > .uagb-container-inner-blocks-wrap{--inner-content-custom-width: min( 100%, 767px);max-width: var(--inner-content-custom-width);width: 100%;flex-wrap: wrap;}.wp-block-uagb-container.uagb-block-21a93d71{padding-top: 30px;padding-bottom: 30px;padding-left: 15px;padding-right: 15px;margin-top: 10px !important;margin-bottom: 10px !important;margin-left: 10px;margin-right: 10px;order: initial;border-style: solid;border-color: #e2e2e2;background-color: #fafafa;;}}\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:13:{i:0;s:14:\"core\/paragraph\";i:1;s:12:\"core\/heading\";i:2;s:9:\"core\/list\";i:3;s:14:\"core\/list-item\";i:4;s:10:\"core\/quote\";i:5;s:20:\"wpseopress\/faq-block\";i:6;s:14:\"uagb\/container\";i:7;s:10:\"uagb\/image\";i:9;s:21:\"uagb\/advanced-heading\";i:10;s:17:\"gutena\/newsletter\";i:11;s:22:\"gutena\/newsletter-form\";i:12;s:29:\"gutena\/newsletter-input-field\";i:13;s:31:\"gutena\/newsletter-submit-button\";}s:8:\"uag_flag\";b:1;s:11:\"uag_version\";s:10:\"1780582568\";s:6:\"gfonts\";a:1:{s:7:\"Poppins\";a:2:{s:10:\"fontfamily\";s:7:\"Poppins\";s:12:\"fontvariants\";a:2:{i:0;s:3:\"700\";i:1;s:3:\"500\";}}}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"]},"uagb_featured_image_src":{"full":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner.jpg",746,240,false],"thumbnail":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner-150x150.jpg",150,150,true],"medium":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner-300x97.jpg",300,97,true],"medium_large":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner.jpg",746,240,false],"large":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner.jpg",746,240,false],"ezd_embed_thumb":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner.jpg",100,32,false],"ezd_searrch_thumb16x16":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner-16x16.jpg",16,16,true],"ezd_searrch_thumb50x50":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner-50x50.jpg",50,50,true],"1536x1536":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner.jpg",746,240,false],"2048x2048":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner.jpg",746,240,false],"gform-image-choice-sm":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner.jpg",300,97,false],"gform-image-choice-md":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner.jpg",400,129,false],"gform-image-choice-lg":["https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/04\/Microsoft-Outlooks-new-sender-requirements_Banner.jpg",600,193,false]},"uagb_author_info":{"display_name":"Tahir Ali","author_link":"https:\/\/postmansmtp.com\/es\/author\/tahir\/"},"uagb_comment_info":0,"uagb_excerpt":"Following Google (Gmail) and Yahoo&#8217;s crackdown on bulk email senders in 2024, [&hellip;]","coauthors":[],"tax_additional":{"categories":{"linked":["<a href=\"https:\/\/postmansmtp.com\/category\/announcement\/\" class=\"advgb-post-tax-term\">Announcement<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">Announcement<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Publicado 1 a\u00f1o hace","modified":"Actualizado 3 meses hace"},"absolute_dates":{"created":"Publicado el abril 24, 2025","modified":"Actualizado el marzo 10, 2026"},"absolute_dates_time":{"created":"Publicado el abril 24, 2025 11:39 am","modified":"Actualizado el marzo 10, 2026 9:25 am"},"featured_img_caption":"","series_order":"","_links":{"self":[{"href":"https:\/\/postmansmtp.com\/es\/wp-json\/wp\/v2\/posts\/156064","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/postmansmtp.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/postmansmtp.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/postmansmtp.com\/es\/wp-json\/wp\/v2\/users\/6276"}],"replies":[{"embeddable":true,"href":"https:\/\/postmansmtp.com\/es\/wp-json\/wp\/v2\/comments?post=156064"}],"version-history":[{"count":0,"href":"https:\/\/postmansmtp.com\/es\/wp-json\/wp\/v2\/posts\/156064\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/postmansmtp.com\/es\/wp-json\/wp\/v2\/media\/156082"}],"wp:attachment":[{"href":"https:\/\/postmansmtp.com\/es\/wp-json\/wp\/v2\/media?parent=156064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/postmansmtp.com\/es\/wp-json\/wp\/v2\/categories?post=156064"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/postmansmtp.com\/es\/wp-json\/wp\/v2\/tags?post=156064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}