WordPress plugin comparison
Flex SMTP vs Mailgun for WordPress
At a glance
- Mailgun for WordPress has more active installs: 70K+, against fewer than 10 for Flex SMTP.
- On a typical day, Mailgun for WordPress is downloaded about 949 times, Flex SMTP about 2.
- Flex SMTP has no reviews yet.
- Mailgun for WordPress was updated more recently: Sep 25, 2026, against Sep 16, 2026 for Flex SMTP.
- Both are tested up to WordPress 7.1.4.
- Mailgun for WordPress has been around longer: since 2012, against 2026 for Flex SMTP.
Line by line
Mailgun for WordPress leads on 5 of 5 comparable lines.
| Metric |  Flex SMTP |  Mailgun for WordPress |
|---|---|---|
| Popular rank | #63,574 | #549 |
| Active installs | Fewer than 10 | 70K+ |
| Downloads, last 30 days | 43 | 23.9K |
| Rating | No ratings | 3.8(49) |
| Support threads resolved | – | – |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.05 | ×0.96 |
| Last release | 1 month ago | 1 month ago |
| Requires PHP | 7.4 | 7.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
More comparisons
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free