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Post SMTP is the most reliable WordPress SMTP plugin that fixes the “WordPress not sending emails” issue. It routes your site’s emails through trusted SMTP servers or APIs (like Gmail, Microsoft 365, Amazon SES, SendGrid, and more) to improve deliverability. It also includes email logs, OAuth authentication, failure alerts, reporting, and a mobile app for monitoring.

6 Reasons Why Post SMTP is the Top Plugin for WordPress Email

Reason  #1
Quick 3-Step Configuration

Connect any SMTP Mailer with WordPress in minutes
Choose Your Mailer: Gmail, Outlook, Amazon SES, or any SMTP.
Enter Details: Add sender info and credentials or API keys.
Send a Test Email: Check if WordPress is sending emails

Reason  #2
Comprehensive Email Logging

Keep track of your WordPress emails in one place
Track delivery status for each email (e.g., Success, Failed)
Resend failed emails directly from the email log screen.
Identify email errors with a detailed message.
Filter and search logs by status, date, recipient, or subject.
Export the email logs to a CSV file for further analysis.
View email content (subject, body, recipients, attachments, etc.)

Reason  #3
Email Reporting and Tracking

Monitor email delivery performance with detailed reports.
Get daily, weekly, or monthly email health reports
Track sent, delivered, failed, and opened emails
View delivery stability & open rate charts for insights
Improve engagement with clear email deliverability data

Reason  #4
Multiple Email Failure Alert Options

Never miss another failed email with instant notifications.
Admin Email: Receive an email alert to the admin account
Slack: Get email failure alert to your Slack channel or DM
Microsoft Teams: Get instant failure alerts directly in your Teams channel.
Twilio (SMS): Receive a text message straight to your phone number
Webhooks: Send failure alerts to any external service or custom workflow
Chrome Extension: Instantly get email failure alerts right in your browser.
Mobile App: Get instant email failure alerts right on your phone

Reason  #5
On-Demand Expert Assistance

Let our WordPress experts configure SMTP for you
Complete SMTP configuration for your site
DNS records setup: SPF, DKIM, DMARC, and more
30-minute live call support (if needed)
Fast setup for Microsoft 365 and other providers

Reason  #6
Post SMTP Mobile App

Easily track your WordPress emails anywhere, anytime
Monitor email status and performance in real time
Receive instant push notifications for failures
Resend failed emails with one tap
View subject, body, recipients, and attachments
Manage multiple WordPress sites from one app
Check detailed error logs to troubleshoot faster
Contact Post SMTP support directly from the app