WordPress plugin comparison
SMTP Mailer vs Solid Mail
At a glance
- SMTP Mailer has more active installs: 70K+, against 60K+ for Solid Mail.
- On a typical day, SMTP Mailer is downloaded about 443 times, Solid Mail about 189.
- SMTP Mailer is rated higher: 4.6 out of 5 from 67 reviews, against 4.2 from 52 reviews.
- SMTP Mailer was updated more recently: Sep 7, 2026, against May 12, 2026 for Solid Mail.
- SMTP Mailer is tested with a newer WordPress: 7.1.4, against 6.9.11 for Solid Mail.
- Solid Mail has been around longer: since 2012, against 2015 for SMTP Mailer.
Line by line
SMTP Mailer leads on 7 of 7 comparable lines.
| Metric |  SMTP Mailer |  Solid Mail |
|---|---|---|
| Popular rank | #585 | #671 |
| Active installs | 70K+ | 60K+ |
| Downloads, last 30 days | 12.8K | 5.4K |
| Rating | 4.6(67) | 4.2(52) |
| Support threads resolved | 0% | 0% |
| Tested up to | 7.1.4 | 6.9.11 |
| Search multiplier | ×1.06 | ×0.87 |
| Last release | 2 months ago | 6 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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