SMTP Mailer vs Zoho Mail for WordPress (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Zoho Mail for WordPress
20K+ active installs
Free
Quick Verdict
As of April 2026, SMTP Mailer has a higher user rating (4.5/5 from 65 reviews) and leads in active installations (70K+ vs 20K+). Both are free WordPress plugins. SMTP Mailer has accumulated 1.4M+ total downloads while Zoho Mail for WordPress has 344K+.
Detailed Comparison
| Metric | SMTP Mailer | Zoho Mail for WordPress | |
|---|---|---|---|
| Rating | 4.5/5 | ◄ | 3.8/5 |
| Total Reviews | 65 | ◄ | 41 |
| Active Installs | 70K+ | ◄ | 20K+ |
| Total Downloads | 1.4M+ | ◄ | 344K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 1 month ago | ► | 1 week ago |
| First Released | 2015 | 2017 | |
| Age | 11 years | 9 years | |
| WP Requires | 6.9+ | 4.8+ | |
| PHP Requires | false+ | 5.6+ | |
| Business Model | Free | Free | |
| Latest Version | 1.1.25 | 1.6.3 |
Rating Breakdown
SMTP Mailer
Zoho Mail for WordPress
Download Trends
Over the past 30 days, SMTP Mailer averaged approximately 449 daily downloads while Zoho Mail for WordPress averaged 347.
Recent Reviews
SMTP Mailer Reviews
A basic and effective plugin. The best.
For my WordPress site, I didn’t want complex plugins with lots of options or that consumed a lot of resources. I was looking for something simple. At first, it didn’t work well because it wasn’t 10
Simple Setup, Works Great with CF7
I’ve tried some of the better-known ‘big name’ SMTP plugins, but none of them did exactly what I needed with CF7 sending both Mail and Mail (2) seamlessly. This one just works with no complications or
Simple needs, simple to use
I needed something quick and easy when a contact page on an old site started breaking for some reason and I decided to redo it with new plugins for the form and mailer. This plugin got me going and fi
Zoho Mail for WordPress Reviews
Works as Intended
I have this installed and working on several websites. I always recommend Zoho for inexpensive quality email. They have a free level, but you need the paid level which is currently $1/mo per email a
Great plugin, but no Reply-To support
The plugin works great with the Zoho Mail account. Unfortunately, WordPress forms currently don’t include the Reply-To header, which makes it inconvenient for our client to confirm bookings. We had th
Great for mail
If you have to get your own ssl certificate because you’re living on the cheap; this is the way to. Even if paid, zoho mail is cheaper and always reliable. Very happy, 5/5
More Phpmailer Worth Comparing
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A friendly SMTP plugin for WordPress. No third-party, simply using WordPress native possibilities.
Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.