WordPress plugin comparison
Post SMTP vs MainWP Post SMTP Extension
At a glance
- Post SMTP has more active installs: 300K+, against 300+ for MainWP Post SMTP Extension.
- On a typical day, Post SMTP is downloaded about 2,628 times, MainWP Post SMTP Extension about 9.
- MainWP Post SMTP Extension is rated higher: 5.0 out of 5 from 1 review, against 4.7 from 528 reviews.
- Post SMTP was updated more recently: Sep 24, 2026, against Mar 18, 2026 for MainWP Post SMTP Extension.
- MainWP Post SMTP Extension resolves more of its support threads: 100% in the last two months, against 79% for Post SMTP.
- Post SMTP is tested with a newer WordPress: 7.1.4, against 6.9.11 for MainWP Post SMTP Extension.
- Post SMTP has been around longer: since 2017, against 2023 for MainWP Post SMTP Extension.
Line by line
Post SMTP leads on 6 of 8 comparable lines.
| Metric |  Post SMTP |  MainWP Post SMTP Extension |
|---|---|---|
| Popular rank | #161 | #10,950 |
| Active installs | 300K+ | 300+ |
| Downloads, last 30 days | 82.6K | 173 |
| Rating | 4.7(528) | 5.0(1) |
| Support threads resolved | 79% | 100% |
| Tested up to | 7.1.4 | 6.9.11 |
| Search multiplier | ×2.96 | ×0.46 |
| Last release | 1 month ago | 7 months ago |
| Requires PHP | 7.1 | 7.0 |
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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