WordPress plugin comparison
Email Deliverability vs SMTP Mailer
At a glance
- Email Deliverability has more active installs: 200K+, against 70K+ for SMTP Mailer.
- On a typical day, Email Deliverability is downloaded about 934 times, SMTP Mailer about 443.
- SMTP Mailer is rated higher: 4.6 out of 5 from 67 reviews, against 2.5 from 17 reviews.
- SMTP Mailer was updated more recently: Sep 7, 2026, against Jul 16, 2026 for Email Deliverability.
- SMTP Mailer is tested with a newer WordPress: 7.1.4, against 7.0.8 for Email Deliverability.
- SMTP Mailer has been around longer: since 2015, against 2024 for Email Deliverability.
Line by line
SMTP Mailer leads on 4 of 7 comparable lines.
| Metric |  Email Deliverability |  SMTP Mailer |
|---|---|---|
| Popular rank | #250 | #585 |
| Active installs | 200K+ | 70K+ |
| Downloads, last 30 days | 26.6K | 12.8K |
| Rating | 2.5(17) | 4.6(67) |
| Support threads resolved | – | 0% |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.90 | ×1.06 |
| Last release | 3 months ago | 2 months 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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