WordPress plugin comparison
SubmitRelay vs WP Mail SMTP by WPForms
SubmitRelay
by Muzaffer Pakhtoon
Fewer than 10 installs5.0
WP Mail SMTP by WPForms
by Syed Balkhi
4M+ installs4.8
At a glance
- WP Mail SMTP by WPForms has more active installs: 4M+, against fewer than 10 for SubmitRelay.
- On a typical day, WP Mail SMTP by WPForms is downloaded about 43,420 times, SubmitRelay about 7.
- SubmitRelay is rated higher: 5.0 out of 5 from 2 reviews, against 4.8 from 5,214 reviews.
- SubmitRelay was updated more recently: Nov 7, 2026, against Oct 20, 2026 for WP Mail SMTP by WPForms.
- Both are tested up to WordPress 7.1.4.
- WP Mail SMTP by WPForms has been around longer: since 2007, against 2026 for SubmitRelay.
Line by line
WP Mail SMTP by WPForms leads on 4 of 6 comparable lines.
| Metric | SubmitRelay | WP Mail SMTP by WPForms |
|---|---|---|
| Popular rank | #59,951 | #12 |
| Active installs | Fewer than 10 | 4M+ |
| Downloads, last 30 days | 430 | 2.8M |
| Rating | 5.0(2) | 4.8(5.2K) |
| Support threads resolved | – | 83% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.07 | ×5.61 |
| Last release | 2 days ago | 20 days 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
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