WordPress plugin comparison
SDK WP SMTP vs SMTP Mailer
At a glance
- SMTP Mailer has more active installs: 70K+, against 10+ for SDK WP SMTP.
- On a typical day, SMTP Mailer is downloaded about 443 times, SDK WP SMTP about 1.
- SDK WP 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 Dec 10, 2018 for SDK WP SMTP.
- SMTP Mailer is tested with a newer WordPress: 7.1.4, against 4.9.35 for SDK WP SMTP.
- SMTP Mailer has been around longer: since 2015, against 2018 for SDK WP SMTP.
Line by line
SMTP Mailer leads on 6 of 7 comparable lines.
| Metric |  SDK WP SMTP |  SMTP Mailer |
|---|---|---|
| Popular rank | #32,904 | #585 |
| Active installs | 10+ | 70K+ |
| Downloads, last 30 days | 23 | 12.8K |
| Rating | 5.0(1) | 4.6(67) |
| Support threads resolved | – | 0% |
| Tested up to | 4.9.35 | 7.1.4 |
| Search multiplier | ×0.00 | ×1.06 |
| Last release | 8 years ago | 2 months ago |
| Requires PHP | – | – |
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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