Make email delivery easy for WordPress. Connect with SMTP, Gmail, Outlook, SendGrid, Mailgun, SES, Zoho, + mor...
Free
4M+ installs 4.8★ (5,185)
MainWP Post SMTP Extension
Manage WP SMTP configuration from a single dashboard for all your sites. View email logs, get instant email failure alerts, and set up a backup SMTP c …
The facts
- Rating
- 5★ from 1
- Active installs
- 300+
- Price
- Free
- Last updated
- 18 Mar 2026
- Added
- Dec 2023
- Requires WP
- 4.7
- Tested up to
- WP 6.9.7
- Requires PHP
- 7.0
- Downloads
- 6,552
Our analysis
AI-assistedMainWP Post SMTP Extension is a WordPress plugin that allows you to manage SMTP settings for multiple sites from a single dashboard. You can configure SMTP once on your main site and apply those settings to all child sites with one click, simplifying email management.
The plugin also provides features such as email delivery monitoring, troubleshooting tools, and instant alerts for email failures. It is suitable for users who manage multiple WordPress sites and need a streamlined solution for email configuration and delivery.
Best for: This plugin is best for users managing multiple WordPress sites who need to simplify their email setup.
What it does well
- ✓1-Click SMTP configuration for all sites
- ✓Backup SMTP connection for reliable email delivery
- ✓Instant email failure alerts via multiple channels
Where it falls short
- •Limited information on additional features or user support
Verdict
MainWP Post SMTP Extension offers a straightforward solution for managing SMTP settings across multiple sites, making it a practical choice for site administrators.
From the developer
Saad Iqbal's own description of MainWP Post SMTP Extension, lightly tidied.
Want to simplify your WordPress email management across all your sites? If your answer is yes, then you need ✨ MainWP Post SMTP Extension! ✨
MainWP Post SMTP Extension is a powerful and easy-to-use add-on that allows you to set up and control the SMTP configuration for all your sites from your MainWP dashboard.
Whether you want to use an API key or SMTP credentials, you can configure SMTP once on your main site and apply them to all your child sites with a single click.
No more hassle of setting up each site individually! 😀
Additionally, you can monitor the email delivery status, troubleshoot any issues, and get notified of any email failures for all your sites in one place. 🎉
With MainWP Post SMTP Extension, you can save time, avoid errors, and improve your email deliverability.
5 Reasons Why You Should Install MainWP Post SMTP Extension
✅ Reason #1:
1-Click SMTP Configuration Across All Sites
No need to configure your SMTP settings for each site individually. 🤯
With MainWP Post SMTP Extension, just set up your SMTP server on your main site and sync it with all your child sites with a single click.
✅ Reason #2:
Reliable Email Delivery with Backup SMTP Connection
In any case, if your primary SMTP service provider fails to deliver your emails, MainWP Post SMTP Extension automatically switches to a secondary SMTP service provider to ensure your emails always reach your recipients.
✅ Reason #3:
Instant Email Failure Alerts – The Way You Like!
You can set up email delivery failure alerts during the Post SMTP configuration of your main site to get instant notifications whenever an email delivery fails on any of your sites.
There are four options to get email failure alerts:
✔️ Admin (Email): You’ll receive an email alert to your admin account
✔️ Pushover: Receive a push notification on your mobile device
✔️ Slack: Direct message (DM) via Slack or Slack channel alert
✔️ Twilio (SMS): Receive an SMS on your phone
Tagged as
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