WordPress plugin comparison
Post SMTP vs WP SMTP Mailer
At a glance
- Post SMTP has more active installs: 300K+, against 8K+ for WP SMTP Mailer.
- On a typical day, Post SMTP is downloaded about 2,628 times, WP SMTP Mailer about 56.
- WP SMTP Mailer is rated higher: 5.0 out of 5 from 115 reviews, against 4.7 from 528 reviews.
- Post SMTP was updated more recently: Sep 24, 2026, against Aug 23, 2026 for WP SMTP Mailer.
- Post SMTP resolves more of its support threads: 79% in the last two months, against 0% for WP SMTP Mailer.
- Both are tested up to WordPress 7.1.4.
- WP SMTP Mailer has been around longer: since 2016, against 2017 for Post SMTP.
Line by line
Post SMTP leads on 6 of 7 comparable lines.
| Metric |  Post SMTP |  WP SMTP Mailer |
|---|---|---|
| Popular rank | #161 | #2,346 |
| Active installs | 300K+ | 8K+ |
| Downloads, last 30 days | 78.7K | 1.7K |
| Rating | 4.7(528) | 5.0(115) |
| Support threads resolved | 79% | 0% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×2.96 | ×0.85 |
| Last release | 1 month ago | 2 months ago |
| Requires PHP | 7.1 | 5.6 |
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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