WordPress plugin comparison
Post SMTP vs SendGrail SMTP
At a glance
- Post SMTP has more active installs: 300K+, against 10+ for SendGrail SMTP.
- On a typical day, Post SMTP is downloaded about 2,726 times, SendGrail SMTP about 7.
- SendGrail SMTP has no reviews yet.
- SendGrail SMTP was updated more recently: Nov 1, 2026, against Sep 24, 2026 for Post SMTP.
- SendGrail SMTP resolves more of its support threads: 100% in the last two months, against 79% for Post SMTP.
- Both are tested up to WordPress 7.1.4.
- Post SMTP has been around longer: since 2017, against 2026 for SendGrail SMTP.
Line by line
Post SMTP leads on 4 of 6 comparable lines.
| Metric |  Post SMTP |  SendGrail SMTP |
|---|---|---|
| Popular rank | #161 | #42,652 |
| Active installs | 300K+ | 10+ |
| Downloads, last 30 days | 80.3K | 249 |
| Rating | 4.7(528) | No ratings |
| Support threads resolved | 79% | 100% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×2.96 | ×0.15 |
| Last release | 1 month ago | 8 days ago |
| Requires PHP | 7.1 | 8.0 |
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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