WordPress plugin comparison
Custom SMTP vs SMTP Mailer
At a glance
- SMTP Mailer has more active installs: 70K+, against 200+ for Custom SMTP.
- On a typical day, SMTP Mailer is downloaded about 443 times, Custom SMTP about 13.
- Custom SMTP is rated higher: 5.0 out of 5 from 1 review, against 4.6 from 67 reviews.
- SMTP Mailer was updated more recently: Sep 7, 2026, against Aug 26, 2026 for Custom SMTP.
- Custom SMTP resolves more of its support threads: 100% in the last two months, against 0% for SMTP Mailer.
- SMTP Mailer is tested with a newer WordPress: 7.1.4, against 7.0.8 for Custom SMTP.
- SMTP Mailer has been around longer: since 2015, against 2024 for Custom SMTP.
Line by line
SMTP Mailer leads on 6 of 8 comparable lines.
| Metric |  Custom SMTP |  SMTP Mailer |
|---|---|---|
| Popular rank | #12,697 | #585 |
| Active installs | 200+ | 70K+ |
| Downloads, last 30 days | 277 | 12.8K |
| Rating | 5.0(1) | 4.6(67) |
| Support threads resolved | 100% | 0% |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.54 | ×1.06 |
| Last release | 2 months ago | 2 months ago |
| Requires PHP | 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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