WordPress plugin comparison
Custom SMTP vs WP Mail SMTP by WPForms
At a glance
- WP Mail SMTP by WPForms has more active installs: 4M+, against 200+ for Custom SMTP.
- On a typical day, WP Mail SMTP by WPForms is downloaded about 40,526 times, Custom SMTP about 13.
- Custom SMTP is rated higher: 5.0 out of 5 from 1 review, against 4.8 from 5,214 reviews.
- WP Mail SMTP by WPForms was updated more recently: Oct 20, 2026, against Aug 26, 2026 for Custom SMTP.
- Custom SMTP resolves more of its support threads: 100% in the last two months, against 83% for WP Mail SMTP by WPForms.
- WP Mail SMTP by WPForms is tested with a newer WordPress: 7.1.4, against 7.0.8 for Custom SMTP.
- WP Mail SMTP by WPForms has been around longer: since 2007, against 2024 for Custom SMTP.
Line by line
WP Mail SMTP by WPForms leads on 6 of 8 comparable lines.
| Metric |  Custom SMTP |  WP Mail SMTP by WPForms |
|---|---|---|
| Popular rank | #12,697 | #12 |
| Active installs | 200+ | 4M+ |
| Downloads, last 30 days | 277 | 2.9M |
| Rating | 5.0(1) | 4.8(5.2K) |
| Support threads resolved | 100% | 83% |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.54 | ×5.61 |
| Last release | 2 months 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.
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