WordPress plugin comparison
Simple SMTP vs Solid Mail
At a glance
- Solid Mail has more active installs: 60K+, against 2K+ for Simple SMTP.
- On a typical day, Solid Mail is downloaded about 189 times, Simple SMTP about 67.
- Simple SMTP is rated higher: 5.0 out of 5 from 11 reviews, against 4.2 from 52 reviews.
- Solid Mail was updated more recently: May 12, 2026, against Aug 11, 2025 for Simple SMTP.
- Solid Mail is tested with a newer WordPress: 6.9.11, against 6.8.12 for Simple SMTP.
- Solid Mail has been around longer: since 2012, against 2020 for Simple SMTP.
Line by line
Solid Mail leads on 6 of 7 comparable lines.
| Metric |  Simple SMTP |  Solid Mail |
|---|---|---|
| Popular rank | #4,409 | #671 |
| Active installs | 2K+ | 60K+ |
| Downloads, last 30 days | 1.7K | 5.3K |
| Rating | 5.0(11) | 4.2(52) |
| Support threads resolved | 0% | 0% |
| Tested up to | 6.8.12 | 6.9.11 |
| Search multiplier | ×0.32 | ×0.87 |
| Last release | 1 year ago | 6 months ago |
| Requires PHP | 7.0 | 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