Post SMTP: Secure, Reliable WordPress SMTP Plugin with OAuth & Mobile Alerts

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The #1 WordPress SMTP plugin to Improve WordPress Email Deliverability

Post SMTP is the ultimate SMTP plugin for WordPress, designed to ensure your emails reach their destination. It is compatible with all major SMTP providers. It also offers tons of amazing features that you would love 💙

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Email Failure Alerts

Connect with any SMTP Mailer

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Email Logs & Reports

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Easy Setup Wizard

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Dedicated Mobile App

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Auto Resend Failed Emails

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Chrome, Teams & Slack Support

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website owners

4.7/5 stars on
wordpress.org

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Key Post SMTP Features to Improve WordPress Email Deliverability

Post SMTP ensures your WordPress emails reach the recipient’s inbox every time! Find out what makes Post SMTP the most advanced and easy-to-use SMTP plugin for WordPress.

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Detailed Email Logs

Keep track of every email sent from your WordPress site with precise information like status, subject, recipient, and error message.

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Secure SMTP Authentication

Authenticate your SMTP mailer account securely via OAuth 2.0 protocol without storing your login credentials in WordPress.

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Back-Up SMTP Mailer

Never miss an email delivery by setting up a secondary SMTP mailer to send your WordPress emails when the primary one fails.

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Email Failure Alerts

Get notified instantly when an email fails to deliver. You can choose how you want to receive alerts via email, SMS, or Slack.

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Post SMTP Mobile App NEW

A dedicated Mobile App to monitor email logs, connect multiple sites, identify errors, and resend any failed email with a single tap.

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Chrome Extension Alerts

Stay on top of your email delivery issues by receiving real-time notifications of any email delivery failures directly in your browser.

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Auto-Retry Failed Emails

If the SMTP connection fails to send an email, Post SMTP automatically resends any failed emails to ensure optimal email deliverability.

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Email Health Report

Receive a daily, weekly, or monthly email health report featuring an overview of your email sending, viewing, and failing statistics.

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Resend Email Attachments

Save time and bandwidth by easily viewing and resending any email with attachments directly from the log screen.

Mobile app

Introducing Mobile App for Post SMTP

PostSMTP Mobile App is the only app for WordPress email delivery monitoring which helps you notify regarding email failures, show error details, preview content of emails, resend failed emails, track multiple WP sites and more. The Post SMTP Mobile App works seamlessly with the Post SMTP plugin.

Why WordPress Community A bright red heart icon in a clean, minimalist vector style, symbolizing love and affection. POST SMTP

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Where was this Plugin Yesterday??

What a plugin. The diagnostics and Connectivity Tests gave me the answers I was looking for for so long.. FINALLY got email to work on my site.. Nothing I have about my site seems to be ‘in the box’, and same with Email delivery.. Well, Post SMTP Mailer understood my sites needs over any other similar plugin, so I am happy to tick the BIG LOVE ‘box’ for the plugin

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Rick M New Zealand

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Very Easy to setup

I’ve been using I tried and tried to manually setup SMTP authentication with my Office365/Exchange server. I thought I dotted every “i” and crossed every “t” but I obviously missed something. Using the Office365 Addon was so much faster and easier…saved me a lot of precious time fiddling with settings and researching a solution. I’ve been using the Post SMTP…

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MHCA Admin

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Great Plugin, BEST Support

I use this plugin as part of a bundle for all of my new website builds because it works so well. For the first time, I purchased the Add-On for Office 365. I ran into a couple of issues with setup and support worked quickly and efficiently (even did a zoom call) to resolve the problems. HIGHLY recommend and you can feel comfortable that if you purchase…

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K Taylor

FAQs

Have a question regarding Post SMTP? Check out our frequently asked questions below. If you can’t find your question here, feel free to contact us directly.

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Trusted by 400K + 
website owners

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4.7/5 stars on
wordpress.org

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14-day money back
guarantee

Solve Your WordPress Email Delivery Problems with Post SMTP

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