WordPress plugin comparison
SDK WP SMTP vs SureMail
At a glance
- SureMail has more active installs: 200K+, against 10+ for SDK WP SMTP.
- On a typical day, SureMail is downloaded about 1,282 times, SDK WP SMTP about 1.
- SDK WP SMTP is rated higher: 5.0 out of 5 from 1 review, against 4.7 from 25 reviews.
- SureMail was updated more recently: Oct 8, 2026, against Dec 10, 2018 for SDK WP SMTP.
- SureMail is tested with a newer WordPress: 7.1.4, against 4.9.35 for SDK WP SMTP.
- SDK WP SMTP has been around longer: since 2018, against 2025 for SureMail.
Line by line
SureMail leads on 6 of 7 comparable lines.
| Metric |  SDK WP SMTP |  SureMail |
|---|---|---|
| Popular rank | #32,904 | #275 |
| Active installs | 10+ | 200K+ |
| Downloads, last 30 days | 23 | 48.3K |
| Rating | 5.0(1) | 4.7(25) |
| Support threads resolved | – | 50% |
| Tested up to | 4.9.35 | 7.1.4 |
| Search multiplier | ×0.00 | ×1.44 |
| Last release | 8 years ago | 1 month 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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