WP Mail SMTP by WPForms – The Most… vs Custom SMTP: Email Deliverability… (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

WP Mail SMTP by WPForms – The Most…

WP Mail SMTP by WPForms – The Most…

4.8(5,089)

4.0M+ active installs

Free

Updated 4 months ago
View WP Mail SMTP by WPForms – The Most…
VS
Custom SMTP: Email Deliverability…

Custom SMTP: Email Deliverability…

5(1)

90 active installs

Free

Updated 1 month ago
View Custom SMTP: Email Deliverability…

Quick Verdict

As of April 2026, Custom SMTP: Email Deliverability… has a higher user rating (5/5 from 1 reviews) while WP Mail SMTP by WPForms – The Most… leads in active installations (4.0M+ vs 90). Both are free WordPress plugins. WP Mail SMTP by WPForms – The Most… has accumulated 76M+ total downloads while Custom SMTP: Email Deliverability… has 2.8K+.

Detailed Comparison

Rating
4.8/5WP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…5/5
Total Reviews
5,089WP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…1
Active Installs
4.0M+WP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…90
Total Downloads
76M+WP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…2.8K+
Support Resolution
88%WP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…N/A
Last Updated
4 months agoWP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…1 month ago
First Released
2007WP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…2024
Age
19 yearsWP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…2 years
WP Requires
5.5+WP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…6.0+
PHP Requires
7.4+WP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…7.4+
Business Model
FreeWP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…Free
Latest Version
4.7.1WP Mail SMTP by WPForms – The Most…
Custom SMTP: Email Deliverability…2.1.0

Rating Breakdown

WP Mail SMTP by WPForms – The Most…

4.8/5(5,089 reviews)
5
94%
4
1%
3
1%
2
1%
1
3%

Custom SMTP: Email Deliverability…

5/5(1 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

WP Mail SMTP by WPForms – The Most… Reviews

by marenaso

Great plugin!

Easy to install and configure. Works like a charm!

by dome0013

Love it

easy and reliable

by janell12

Does the Job, Needs Improvement

WP Mail SMTP by WPForms works well for email delivery, with easy setup. However, it lacks some advanced features and customization. 4 stars! This topic was modified 2 days, 1 hour ago by janel

Custom SMTP: Email Deliverability… Reviews

No reviews yet

Frequently Asked Questions

Is WP Mail SMTP by WPForms – The Most… or Custom SMTP: Email Deliverability… more popular?
WP Mail SMTP by WPForms – The Most… has 4.0M+ active installations while Custom SMTP: Email Deliverability… has 90. WP Mail SMTP by WPForms – The Most… is the more widely-used plugin as of April 2026.
Which has better ratings — WP Mail SMTP by WPForms – The Most… or Custom SMTP: Email Deliverability…?
WP Mail SMTP by WPForms – The Most… has a 4.8/5 rating from 5,089 reviews, while Custom SMTP: Email Deliverability… has a 5/5 rating from 1 reviews.
Are WP Mail SMTP by WPForms – The Most… and Custom SMTP: Email Deliverability… free?
WP Mail SMTP by WPForms – The Most… is free and Custom SMTP: Email Deliverability… is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WP Mail SMTP by WPForms – The Most… or Custom SMTP: Email Deliverability…?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
WP Mail SMTP by WPForms – The Most… was last updated 4 months ago and Custom SMTP: Email Deliverability… was last updated 1 month ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.