WordPress plugin comparison
Dead-Letter vs WP Mail SMTP by WPForms
At a glance
- WP Mail SMTP by WPForms has more active installs: 4M+, against fewer than 10 for Dead-Letter.
- On a typical day, WP Mail SMTP by WPForms is downloaded about 38,840 times, Dead-Letter about 1.
- Dead-Letter has no reviews yet.
- WP Mail SMTP by WPForms was updated more recently: Oct 20, 2026, against Mar 11, 2020 for Dead-Letter.
- WP Mail SMTP by WPForms is tested with a newer WordPress: 7.1.4, against 5.3.27 for Dead-Letter.
- WP Mail SMTP by WPForms has been around longer: since 2007, against 2019 for Dead-Letter.
Line by line
WP Mail SMTP by WPForms leads on 6 of 6 comparable lines.
| Metric |  Dead-Letter |  WP Mail SMTP by WPForms |
|---|---|---|
| Popular rank | #72,671 | #12 |
| Active installs | Fewer than 10 | 4M+ |
| Downloads, last 30 days | 20 | 2.8M |
| Rating | No ratings | 4.8(5.2K) |
| Support threads resolved | – | 87% |
| Tested up to | 5.3.27 | 7.1.4 |
| Search multiplier | ×0.00 | ×5.72 |
| Last release | 6 years ago | 21 days ago |
| Requires PHP | 5.4 | 7.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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