WordPress plugin comparison
CL Simplest SMTP vs Post SMTP
At a glance
- Post SMTP has more active installs: 300K+, against 20+ for CL Simplest SMTP.
- On a typical day, Post SMTP is downloaded about 2,628 times, CL Simplest SMTP about 8.
- CL Simplest SMTP is rated higher: 5.0 out of 5 from 4 reviews, against 4.7 from 528 reviews.
- Post SMTP was updated more recently: Sep 24, 2026, against May 18, 2026 for CL Simplest SMTP.
- Post SMTP is tested with a newer WordPress: 7.1.4, against 7.0.8 for CL Simplest SMTP.
- Post SMTP has been around longer: since 2017, against 2024 for CL Simplest SMTP.
Line by line
Post SMTP leads on 6 of 7 comparable lines.
| Metric |  CL Simplest SMTP |  Post SMTP |
|---|---|---|
| Popular rank | #25,742 | #161 |
| Active installs | 20+ | 300K+ |
| Downloads, last 30 days | 201 | 82.6K |
| Rating | 5.0(4) | 4.7(528) |
| Support threads resolved | – | 79% |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.24 | ×2.96 |
| Last release | 5 months ago | 1 month ago |
| Requires PHP | 7.4 | 7.1 |
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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