WordPress plugin comparison
Custom SMTP vs Email Deliverability
At a glance
- Email Deliverability has more active installs: 200K+, against 200+ for Custom SMTP.
- On a typical day, Email Deliverability is downloaded about 934 times, Custom SMTP about 13.
- Custom SMTP is rated higher: 5.0 out of 5 from 1 review, against 2.5 from 17 reviews.
- Custom SMTP was updated more recently: Aug 26, 2026, against Jul 16, 2026 for Email Deliverability.
- Both are tested up to WordPress 7.0.8.
Line by line
Email Deliverability leads on 4 of 6 comparable lines.
| Metric |  Custom SMTP |  Email Deliverability |
|---|---|---|
| Popular rank | #12,697 | #250 |
| Active installs | 200+ | 200K+ |
| Downloads, last 30 days | 277 | 26.6K |
| Rating | 5.0(1) | 2.5(17) |
| Support threads resolved | 100% | – |
| Tested up to | 7.0.8 | 7.0.8 |
| Search multiplier | ×0.54 | ×0.90 |
| Last release | 2 months ago | 3 months ago |
| Requires PHP | 7.4 | 7.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
More comparisons
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free