WordPress plugin comparison
SMTP Mailer vs WPO365
At a glance
- SMTP Mailer has more active installs: 70K+, against 10K+ for WPO365.
- On a typical day, SMTP Mailer is downloaded about 443 times, WPO365 about 362.
- WPO365 is rated higher: 5.0 out of 5 from 41 reviews, against 4.6 from 67 reviews.
- WPO365 was updated more recently: Nov 4, 2026, against Sep 7, 2026 for SMTP Mailer.
- Both are tested up to WordPress 7.1.4.
- SMTP Mailer has been around longer: since 2015, against 2022 for WPO365.
Line by line
Level: each leads on 3 of 6 comparable lines.
| Metric |  SMTP Mailer |  WPO365 |
|---|---|---|
| Popular rank | #585 | #1,661 |
| Active installs | 70K+ | 10K+ |
| Downloads, last 30 days | 12.8K | 19.7K |
| Rating | 4.6(67) | 5.0(41) |
| Support threads resolved | 0% | 0% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×1.06 | ×0.88 |
| Last release | 2 months ago | 6 days 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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