{"id":162873,"date":"2025-06-16T07:54:39","date_gmt":"2025-06-16T07:54:39","guid":{"rendered":"https:\/\/postmansmtp.com\/?p=162873"},"modified":"2026-03-10T09:13:37","modified_gmt":"2026-03-10T09:13:37","slug":"wordpress-phpmailer-not-working","status":"publish","type":"post","link":"https:\/\/postmansmtp.com\/es\/wordpress-phpmailer-not-working\/","title":{"rendered":"How to Fix WordPress PHPMailer Not Working [Step-by-Step]"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Are you and your users missing out on important emails because WordPress PHPMailer is not working properly on your website?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But here&#8217;s the problem: web hosts aren&#8217;t built to send reliable emails at scale. This leads to delivery failures, lost messages, or worse\u2014emails being marked as spam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Good news? You don&#8217;t have to stick with PHPMailer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this guide, we&#8217;ll show you exactly how to fix PHPMailer not working in WordPress and how to switch to a smarter, more reliable way to send email using SMTP.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ready? Let\u2019s get started!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>What is PHPMailer in WordPress?<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/PHPMailer\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><u>PHPMailer<\/u><\/a>&nbsp;is a widely used PHP library that allows PHP-based applications like WordPress to send emails. When WordPress sends an email\u2014whether it\u2019s a password reset link, a comment notification, or a WooCommerce order update\u2014it does so through the wp_mail() function, which relies on PHPMailer to actually deliver the message.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sounds simple enough, right? Here\u2019s the problem: PHPMailer sends email through your web server\u2019s mail function. That means;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>No authentication is added to the messages.<\/li>\n\n\n\n<li>Shared hosting servers often limit how many emails you can send.<\/li>\n\n\n\n<li>Your emails are more likely to get flagged as spam or blocked altogether.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">That\u2019s why even though PHPMailer is built into WordPress, it\u2019s not a great long-term solution for reliable email delivery\u2014especially if your business depends on those emails reaching your users.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Why PHPMailer Fails to Send Emails<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Let\u2019s break down the most common reasons behind PHPMailer not working on your WordPress site:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Your Hosting Provider Blocks Email Functions:<\/strong>&nbsp;Many shared or managed hosting plans (like GoDaddy or Bluehost) disable or restrict the PHP mail() function to prevent spam abuse.<\/li>\n\n\n\n<li><strong>No Authentication = Spam Risk:<\/strong>&nbsp;PHPMailer sends unauthenticated emails, which means inbox providers can\u2019t verify your messages. That alone is a big reason for delivery failures or emails being marked as spam.<\/li>\n\n\n\n<li><strong>Conflicting \u00abFrom\u00bb Addresses:<\/strong>&nbsp;If multiple plugins try to use different sender emails, it confuses mail servers and reduces trust.<\/li>\n\n\n\n<li><strong>Missing DNS Records:<\/strong>&nbsp;Without proper DNS records (<a href=\"https:\/\/postmansmtp.com\/dmarc-spf-dkim\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>SPF, DKIM, and DMARC<\/u><\/a>), your domain has no credibility in the eyes of email services like Gmail or Outlook.<\/li>\n\n\n\n<li><strong>PHP Mail Function Disabled:<\/strong>&nbsp;Some server configurations block PHP\u2019s mail function entirely, especially in stricter hosting environments or custom stacks.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bottom line? If you\u2019re relying on PHPMailer and wp_mail() alone, you&#8217;re bound to run into problems. Let\u2019s move on to how you can fix it step by step using the Post SMTP plugin.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Step 1: Install an SMTP Plugin to Bypass PHPMailer<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The most effective way to stop relying on the unreliable wp_mail() function is to install an <a href=\"https:\/\/postmansmtp.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>SMTP plugin<\/u><\/a>&nbsp;that routes your emails through a trusted SMTP server. This instantly improves your chances of emails being delivered successfully\u2014and keeps them out of the spam folder.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are several options out there, but the Post SMTP plugin stands above the rest for WordPress email deliverability.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Why Post SMTP?<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Post SMTP isn\u2019t just a plugin that connects your WordPress site to an SMTP service\u2014it\u2019s a full email delivery solution. With it, you get:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Real-time email delivery logs<\/li>\n\n\n\n<li>OAuth 2.0 authentication for security<\/li>\n\n\n\n<li>A fallback SMTP option if your main service fails<\/li>\n\n\n\n<li>Alerts for failed emails (via email, Slack, Webhook, or SMS)<\/li>\n\n\n\n<li>A mobile app to track email delivery on the go<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">And best of all? It\u2019s easy to set up, even if you\u2019re not a tech expert. Here\u2019s how to install the plugin:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Go to your WordPress dashboard.<\/li>\n\n\n\n<li>Click on Plugins \u2192 Add New.<\/li>\n\n\n\n<li>Search for Post SMTP.<\/li>\n\n\n\n<li>Click Install Now, then Activate.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"815\" height=\"387\" src=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/post-smtp-plugin.jpg\" alt=\"\" class=\"wp-image-162878\" srcset=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/post-smtp-plugin.jpg 815w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/post-smtp-plugin-300x142.jpg 300w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/post-smtp-plugin-768x365.jpg 768w\" sizes=\"auto, (max-width: 815px) 100vw, 815px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Step 2: Set Up SMTP with Post SMTP<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">After activating the plugin, follow the steps below to configure the SMTP server on your WordPress site.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Launch the Setup Wizard<\/strong><strong><\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Once activated, head over to Post SMTP \u2192 Dashboard.<\/li>\n\n\n\n<li>Click \u2018Start the wizard\u2019 to begin the configuration.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1305\" height=\"417\" src=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/begin-the-configuration.jpg\" alt=\"\" class=\"wp-image-162880\" srcset=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/begin-the-configuration.jpg 1305w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/begin-the-configuration-300x96.jpg 300w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/begin-the-configuration-1024x327.jpg 1024w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/begin-the-configuration-768x245.jpg 768w\" sizes=\"auto, (max-width: 1305px) 100vw, 1305px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Choose Your SMTP Provider<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The wizard will prompt you to select your email service. You can pick from popular options like:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/postmansmtp.com\/how-to-configure-post-smtp-with-gmailgsuite-using-oauth\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Gmail SMTP<\/u><\/a>&nbsp;(Google Workspace)<\/li>\n\n\n\n<li>Outlook (<a href=\"https:\/\/postmansmtp.com\/microsoft-365-wordpress-integration\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Microsoft 365<\/u><\/a>)<\/li>\n\n\n\n<li>Amazon SES<\/li>\n\n\n\n<li>Mailgun<\/li>\n\n\n\n<li><a href=\"https:\/\/postmansmtp.com\/extensions\/zoho-mail-pro-extension\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Zoho Mail<\/u><\/a><\/li>\n\n\n\n<li>Brevo (formerly Sendinblue)<\/li>\n\n\n\n<li>\u2026 and many more<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For this example, let\u2019s go with Brevo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Click Continue to move forward, as shown in the screenshot below:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1052\" height=\"753\" src=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/select-your-email-service.jpg\" alt=\"\" class=\"wp-image-162881\" srcset=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/select-your-email-service.jpg 1052w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/select-your-email-service-300x215.jpg 300w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/select-your-email-service-1024x733.jpg 1024w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/select-your-email-service-768x550.jpg 768w\" sizes=\"auto, (max-width: 1052px) 100vw, 1052px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Enter Your Email Details<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You\u2019ll now need to fill in some basic info:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>From Email<\/strong>: Use a domain-based email (e.g., hello@yourwebsite.com)<\/li>\n\n\n\n<li><strong>From Name<\/strong>: This is the name your recipients will see<\/li>\n\n\n\n<li><strong>SMTP Credentials or API Key<\/strong>: Depends on your chosen provider<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"998\" height=\"783\" src=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/enter-email-details.jpg\" alt=\"\" class=\"wp-image-162882\" srcset=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/enter-email-details.jpg 998w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/enter-email-details-300x235.jpg 300w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/enter-email-details-768x603.jpg 768w\" sizes=\"auto, (max-width: 998px) 100vw, 998px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">After filling this out, click \u2018Save and Continue.\u2019<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Send a Test Email<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Now, send a test email directly from the plugin to make sure everything is working. If your configuration is correct, you\u2019ll see a confirmation that the email was delivered successfully.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1067\" height=\"421\" src=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/send-a-test-email-directly-plugin.jpg\" alt=\"\" class=\"wp-image-162883\" srcset=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/send-a-test-email-directly-plugin.jpg 1067w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/send-a-test-email-directly-plugin-300x118.jpg 300w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/send-a-test-email-directly-plugin-1024x404.jpg 1024w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/send-a-test-email-directly-plugin-768x303.jpg 768w\" sizes=\"auto, (max-width: 1067px) 100vw, 1067px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">From this point forward, all of your WordPress emails\u2014including plugin notifications, password resets, and form entries\u2014will go through your authenticated SMTP provider.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Step 3: Lock a Consistent \u00abFrom\u00bb Email Address<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here\u2019s a little-known fact that causes a lot of headaches: if different plugins on your site send emails using different sender addresses, inbox providers like Gmail or Outlook can see those emails as suspicious or even mark them as spam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Why? Because sender inconsistency is a red flag for phishing and spoofing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Luckily, Post SMTP gives you an easy way to fix this once and for all.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How to Set a Consistent Sender Email with Post SMTP<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Here\u2019s how to make sure all emails from your site use a single, authenticated email address\u2014no matter what plugin or theme is sending them:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Open Post SMTP Settings<\/strong><strong><\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Go to your WordPress dashboard.<\/li>\n\n\n\n<li>Navigate to Post SMTP \u2192 Settings.<\/li>\n\n\n\n<li>Click on the Message tab.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Set Your Sender Email &amp; Name<\/strong><strong><\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In the Email Address field, enter the address you want to use as the sender for all outgoing emails.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pro Tip:<\/strong>&nbsp;Use a domain-based address like noreply@yourwebsite.com for maximum credibility.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In the Name field, set a friendly sender name, like your business name or website name.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1271\" height=\"596\" src=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/set-a-friendly-sender-name.jpg\" alt=\"\" class=\"wp-image-162884\" srcset=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/set-a-friendly-sender-name.jpg 1271w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/set-a-friendly-sender-name-300x141.jpg 300w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/set-a-friendly-sender-name-1024x480.jpg 1024w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/set-a-friendly-sender-name-768x360.jpg 768w\" sizes=\"auto, (max-width: 1271px) 100vw, 1271px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Prevent Other Plugins from Changing the Sender<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This is the magic step. Right below the email fields, you\u2019ll see a checkbox labeled:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u201cPrevent plugins and themes from changing this.\u201d<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check that box. It locks your chosen sender email across the board\u2014so no plugin can sneak in its own and break your deliverability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Save Your Settings<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Click \u2018Save Changes\u2019 to apply the new settings.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Step 4: Enable the Email Health Report<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Even with everything set up correctly, your WordPress site might still hit email issues\u2014like provider outages, misconfigured DNS, or plugin conflicts. The problem? You won&#8217;t always know when that happens unless you&#8217;re watching closely.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That&#8217;s exactly what the <a href=\"https:\/\/postmansmtp.com\/documentation\/advance-functionality\/email-health-report\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Email Health Report<\/u><\/a>&nbsp;in Post SMTP is built for.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It gives you a crystal-clear view of how your emails are performing\u2014daily, weekly, or monthly. Think of it as a checkup for your email system, delivered straight to your inbox.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How to Enable the Email Health Report in Post SMTP<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Here\u2019s how to activate this incredibly useful feature:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Go to the WordPress dashboard, click on Post SMTP \u2192 Settings<\/li>\n\n\n\n<li>Navigate to the \u201cEmail Reporting\u201d tab and look for the section labeled Email Health Report<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1649\" height=\"229\" src=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/email-reporting-tab.jpg\" alt=\"\" class=\"wp-image-162885\" srcset=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/email-reporting-tab.jpg 1649w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/email-reporting-tab-300x42.jpg 300w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/email-reporting-tab-1024x142.jpg 1024w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/email-reporting-tab-768x107.jpg 768w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/email-reporting-tab-1536x213.jpg 1536w\" sizes=\"auto, (max-width: 1649px) 100vw, 1649px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Click \u2018Enable\u2019 to activate reporting. This turns on automatic reporting for your site.<\/li>\n\n\n\n<li>Set the frequency. Choose how often you want to receive reports: Daily, Weekly, or Monthly.<\/li>\n\n\n\n<li>Click \u2018Save Changes\u2019<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1188\" height=\"366\" src=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/activate-reporting.jpg\" alt=\"\" class=\"wp-image-162887\" srcset=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/activate-reporting.jpg 1188w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/activate-reporting-300x92.jpg 300w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/activate-reporting-1024x315.jpg 1024w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/activate-reporting-768x237.jpg 768w\" sizes=\"auto, (max-width: 1188px) 100vw, 1188px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">That\u2019s it! You\u2019ll now receive detailed email delivery insights on the schedule you chose. As you can see in the image below:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"471\" height=\"580\" src=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/detailed-email-delivery-insights.jpg\" alt=\"\" class=\"wp-image-162889\" srcset=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/detailed-email-delivery-insights.jpg 471w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/detailed-email-delivery-insights-244x300.jpg 244w\" sizes=\"auto, (max-width: 471px) 100vw, 471px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pro Tip:<\/strong>&nbsp;If you\u2019re managing multiple WordPress sites or eCommerce stores via the MainWP Dashboard plugin, we highly recommend you install the<a href=\"https:\/\/postmansmtp.com\/mainwp-post-smtp\/\">&nbsp;<\/a><a href=\"https:\/\/postmansmtp.com\/mainwp-post-smtp\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>MainWP Post SMTP Extension<\/u><\/a>&nbsp;so you can get a combined email health report for all your websites.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Step 5: Check Your Domain\u2019s Spam Score (Optional, But Recommended)<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You\u2019ve done the heavy lifting. But what if your emails are still missing, landing in spam, or delayed?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There\u2019s a good chance your domain reputation is the culprit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Inbox providers like Gmail, Yahoo, and Outlook keep a record of your domain\u2019s behavior. If your domain has ever been used to send spammy content\u2014or lacks basic authentication like SPF, DKIM, and DMARC\u2014it could be flagged as untrustworthy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And when that happens, your messages don\u2019t stand a chance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How to Check Your Domain&#8217;s Spam Score<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You can quickly get a diagnosis using a <a href=\"https:\/\/postmansmtp.com\/domain-health-checker\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Spam Score Checker<\/u><\/a>. Here\u2019s how:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Copy the destination address given by your spam score tool.<\/li>\n\n\n\n<li>Send a test email from your domain to the given address.<\/li>\n\n\n\n<li>After the test message is sent, click \u2018Check Spam Score\u2019 in the tool.<\/li>\n\n\n\n<li>Wait a few seconds, and you\u2019ll receive a spam score for your domain.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1695\" height=\"793\" src=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/high-spam-score.jpg\" alt=\"\" class=\"wp-image-162890\" srcset=\"https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/high-spam-score.jpg 1695w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/high-spam-score-300x140.jpg 300w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/high-spam-score-1024x479.jpg 1024w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/high-spam-score-768x359.jpg 768w, https:\/\/postmansmtp-live.s3.amazonaws.com\/wp-content\/uploads\/2025\/06\/high-spam-score-1536x719.jpg 1536w\" sizes=\"auto, (max-width: 1695px) 100vw, 1695px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If you see a high spam score, then the possible red flags can be:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Missing or misconfigured SPF, DKIM, or DMARC<\/li>\n\n\n\n<li>Use of blacklisted IPs or domains<\/li>\n\n\n\n<li>Spammy words in your subject or body<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Here\u2019s How to Fix a Bad Spam Score<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If your domain reputation needs a rescue mission, here\u2019s what to do:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1: Add SPF, DKIM, and DMARC Records to Your DNS<\/strong><strong><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Go to your DNS provider (like Cloudflare or your domain registrar).<\/li>\n\n\n\n<li>Add or fix your SPF, DKIM, and DMARC records according to your SMTP provider\u2019s guide.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2: Stick to a Domain-Based Sender Email<\/strong><strong><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Always send emails from an address like yourname@yourdomain.com.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3: Avoid Spam Trigger Words<\/strong><strong><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ditch aggressive subject lines. Instead of \u201cFREE BONUS NOW!!!\u201d use something clear like \u201cYour download is ready.\u201d<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>4: Use a Blacklist Checker<\/strong><strong><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tools like MXToolbox or BlacklistAlert can tell you if your domain or server IP is on any blocklists. If you are, you\u2019ll need to request delisting.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Need Expert Help? Let Post SMTP Handle It For You<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sometimes, even after following all the steps, email issues can persist. Email deliverability can get tricky with DNS configurations, hosting restrictions, or specific platform quirks like <a href=\"https:\/\/postmansmtp.com\/cloudflare-not-sending-wordpress-emails\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>Cloudflare <\/u><\/a>or <a href=\"https:\/\/postmansmtp.com\/set-up-dmarc-record-in-godaddy\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>GoDaddy<\/u><\/a>&nbsp;managed hosting.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019re still facing problems like <a href=\"https:\/\/postmansmtp.com\/wordpress-not-sending-emails\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>WordPress emails not sending<\/u><\/a>, or you want to make sure your SMTP and DNS settings are 100% correct, don\u2019t worry\u2014you\u2019re not alone. Post SMTP offers expert support to guide you through every step.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What Can Post SMTP Experts Help You With?<\/strong><strong><\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SMTP Setup:<\/strong>&nbsp;They\u2019ll configure Post SMTP with your chosen SMTP provider, making sure your emails route correctly.<\/li>\n\n\n\n<li><strong>DNS Records Configuration:<\/strong>&nbsp;They\u2019ll help you set up or fix SPF, DKIM, and DMARC records in your DNS provider (including Cloudflare) to build a strong email reputation.<\/li>\n\n\n\n<li><strong>Spam Score Troubleshooting:<\/strong>&nbsp;If your domain has a high spam score, they\u2019ll work with you to clean it up and get your emails delivered.<\/li>\n\n\n\n<li><strong>Ongoing Support:<\/strong>&nbsp;Whether you hit an unexpected snag or want help with email logging, retries, or alerts, their team is ready to assist.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How to Get Expert Support<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You can <a href=\"https:\/\/postmansmtp.com\/configuration-request\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>book a 30-minute session<\/u><\/a>&nbsp;with a Post SMTP email specialist who will walk you through your setup and fix any issues. Or, if you prefer, <a href=\"https:\/\/objectsws.atlassian.net\/servicedesk\/customer\/portal\/16\" target=\"_blank\" rel=\"noreferrer noopener\"><u>reach out directly via a support ticket<\/u><\/a>&nbsp;for quick response.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Are you and your users missing out on important emails because WordPress PHPMailer is not working properly on your website? But here&#8217;s the problem: web hosts aren&#8217;t built to send reliable emails at scale. This leads to delivery failures, lost messages, or worse\u2014emails being marked as spam. Good news? You [&hellip;]<\/p>\n","protected":false},"author":6276,"featured_media":162899,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"How to Fix WordPress PHPMailer Not Working \u2014 Best Guide 2026","_seopress_titles_desc":"Fix WordPress PHPMailer not working with this step-by-step guide. 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