Name: MainWP Post SMTP Extension – Easily Manage WP SMTP Setup for All Sites in One Place
Rating: 3.5 (2 reviews)

Descripcion

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.

🎉 This way, you can save the time and hassle of setting up SMTP for each site individually.

✅ 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.

🎉 Consequently, it increases your site’s email delivery rate and makes email communication much more efficient.

✅ 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

🎉 BONUS: FREE Chrome Extension to get email failure notifications right in your Chrome browser.

✅ Reason #4:
Dedicated Post SMTP Mobile App – 100% FREE 🤯

🎉 Keep Track of Your WordPress Emails, Anywhere Anytime…!!!
Post SMTP Mobile App empowers you to:

✔️ Easily check the status of your WordPress emails
✔️ Get instant notification on every email failure
✔️ Resend any failed email again with a single click
✔️ View the content of your email in detail
✔️ Connect multiple WordPress sites to receive failure alerts.
✔️ Diagnose email failure with a detailed error message

🎉 On top of that, you can easily Contact Post SMTP support directly from the app.

✅ Reason #5:
Detailed Email Logs of All Your Sites in One Place

🎉 Access a comprehensive and searchable log viewer in the MainWP dashboard to check email delivery status, view email content, error details, and much more for all your sites.

Within the log screen, you can:

✔️ Filter the email logs by date and subject for a quick search
✔️ Easily sort emails by Status, Subject, Sent To, Status, or Delivery Time
✔️ View email attachments and resend them with a single click.

So, what’s holding you back❓ 🤷

Make A Smart Choice 😎 by downloading the MainWP Post SMTP Extension TODAY to manage your WordPress Emails with EASE!!! 😃

Prerequisites to Install MainWP Post SMTP Extension

✔️ MainWP Dashboard and Post SMTP plugins installed on your main (parent) site
✔️ MainWP Child and Post SMTP plugins installed on all your child sites
✔️ MainWP Dashboard Version 4.5.3.2 or higher
✔️ MainWP Child Version 4.5.3 or higher
✔️ WordPress version 6.4.2 or higher

How to Install MainWP Post SMTP Extension

Once you’ve installed the MainWP Dashboard, MainWP Child, and Post SMTP plugins on the parent and all the child sites, respectively, then simply download and install the MainWP Post SMTP Extension on the main (parent) site.

After that, follow our step-by-step documentation of the MainWP Post SMTP Extension to set up and manage SMTP settings across all your sites.

Need Help? Get On-Demand SMTP Configuration Support

Can’t figure out how to configure MainWP Post SMTP Extension? Don’t worry; We’ve got you covered!

Our team of WordPress experts is always ready to help you with any email delivery issues or WordPress SMTP configuration. All you need to do is click here, fill out the form, and relax while we take care of everything for you.

Our SMTP Configuration Support is your one-stop solution for all your WordPress email delivery problems.

Screenshots

Access the MainWP Post SMTP Extension from your parent site’s MainWP dashboard.
Enable quick SMTP configuration on all or selected child sites using MainWP dashboard.
Set Email Address, Name, and Reply-To for your child sites directly from the MainWP dashboard if needed.
View first child site’s Post SMTP dashboard showing that Post SMTP is being used from the MainWP dashboard.
View second child site’s Post SMTP dashboard showing that Post SMTP is being used from the MainWP dashboard.

Reviews

brianct 18 decembre 2025 1 reply

Update: I have updated my review from 1 to 2 stars, based solely on the developers being responsive to this issue, which is promising. While it is not yet resolved, they are working on it in a professional manner, and reasonable back and forth communication to troubleshoot. I’ll update again if it becomes resolved and works as described. Original Post: First, documentation on this plugin is greatly lacking. After being a Pro subscriber with priority support and attempting to implement this, it simply does not work. We use MailGun as our client SMTP service, setup the client domain, can test from within mailgun fine. Install the PostSMTP plugin on parent, child, and this plugin ext for MainWP. The extension sees the child domain that has PostSMTP installed, but after entering email, name, and reply to address nothing was being configured on the child and it continued to return that it needed to be configured and was using WP default mail. PostSMTP support sent me a beta fix, and the only change is that the child now says that it’s configured properly, but any test are not even actually attempted. The mail test goes through at 0ms, but there is no record in PostSMTP or mailgun that a mail was actually attempted, let alone successfully sent, and of course I never received it. This plugin is about improved mail delivery and logging, yet it’s 1st not working and 2nd falsely reporting successful mail, and that’s a big red flag. The one other review here, I can’t imagine is legitimate, as post smtp for Main WP has nothing to do with switching to a secondary SMTP. This is supposed to let you easily setup client domains to the SMTP service you’ve configured; there are NO options regarding secondary SMTP configurations from within the MainWP Post SMTP extention; that would have to be configured in the plugin settings of the child site, unrelated to MainWP. That should be a feature, the ONLY feature is adding outbound email address, email name, and reply-to address per domain from within MainWP.I want to add here, because I talked to the dev about a year ago before trying to actually roll this out for client sites, this plugin/MainWP extension is missing the boat completely. As far as MainWP, it has zero reporting features, so it does not show email stats when looking at a client domain overview, does not report any issues in MainWP, does not have a way to add it to client pro reports. PostSMTP surprised me and said they would implement all that in the next release, so I was thinking great a dev team that really supports their product, but they never introduced any of this in future releases. Now that I’ve purchased this, see it doesn’t work even for the limited functionality it’s supposed to, and having a poor support experience, I can’t recommend this to anyone.

kampot888 25 genièr 2025 1 reply

SMTP Extension automatically switches to a secondary SMTP service provider to ensure your emails always reach your recipients. Even though it is the most powerful plug-in that can switch to a secondary SMTP, it is strange that the number of downloads is still low! Perhaps it’s great that you can send many emails while automatically switching within the limits of multiple free accounts!

Read all 2 reviews

Contributors & Developers

“MainWP Post SMTP Extension – Easily Manage WP SMTP Setup for All Sites in One Place” is open source software. The following people have contributed to this plugin.

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Changelog

1.0.3 Feb 14, 2024

FIX – Pro conflict with free Add-ons.

1.0.2 Feb 07, 2024

Added support for Pro Add-ons.

1.0.1 Jan 01, 2024

FIX – Sites’ logs switching drop down was not rendering properly.

1.0.0 December 18, 2023

Initial Release