Site Mailer – SMTP Replacement, Email… vs wp_mail return-path (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Site Mailer – SMTP Replacement, Email…
200K+ active installs
Free
Quick Verdict
As of April 2026, wp_mail return-path has a higher user rating (5/5 from 9 reviews) while Site Mailer – SMTP Replacement, Email… leads in active installations (200K+ vs 5.0K+). Both are free WordPress plugins. Site Mailer – SMTP Replacement, Email… has accumulated 1.8M+ total downloads while wp_mail return-path has 33K+.
Detailed Comparison
| Metric | Site Mailer – SMTP Replacement, Email… | wp_mail return-path | |
|---|---|---|---|
| Rating | 2.2/5 | ► | 5/5 |
| Total Reviews | 14 | ◄ | 9 |
| Active Installs | 200K+ | ◄ | 5.0K+ |
| Total Downloads | 1.8M+ | ◄ | 33K+ |
| Support Resolution | 100% | N/A | |
| Last Updated | 1 month ago | ◄ | 2 years ago |
| First Released | 2024 | 2015 | |
| Age | 2 years | 11 years | |
| WP Requires | 6.6+ | 3.0.1+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 1.4.3 | 1.1.1 |
Rating Breakdown
Site Mailer – SMTP Replacement, Email…
wp_mail return-path
Download Trends
Over the past 30 days, Site Mailer – SMTP Replacement, Email… averaged approximately 2,033 daily downloads while wp_mail return-path averaged 10.
Recent Reviews
Site Mailer – SMTP Replacement, Email… Reviews
Site Mailer Glitch
I’ve been using Site Mailer for a while now. But I installed it for a new client and the plugin is not working. “Sorry there was a glitch. Try refreshing the page. if that does not resolve the issue t
it forces you to set a Reply-To address
I’m unfortunately not satisfied with Site Mailer because it forces you to set a Reply-To address in the plugin settings. There is no option to leave this field empty. For websites that use advanced
Installed without my consent
This plugin suddenly appeared on my site without me ever installing it. I can only assume it was pushed through an Elementor update, which is completely unacceptable behavior. Plugins should never
wp_mail return-path Reviews
Just what the doctor ordered
Works a treat and fixes an otherwise troublesome issue. Many thanks.
Works as expected
Needed to be able to set return-path email header in my WordPress emails so that they don’t get flagged as spam. This plugin does the trick.
Thanks for the plugin. To be honest, this should be part of WP.
It works, and it fixes a major flaw of WP.
More Sender Worth Comparing
Top alternatives in the same category as Site Mailer – SMTP Replacement, Email… and wp_mail return-path
WP Simple Mail Sender is a very simple plugin to change the sender address and name in outgoing emails.
Adds a simple mail configuration panel into your WordPress installation. Supports temporary logging and config variables.
Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.