WordPress plugin comparison
Dead-Letter vs Email Deliverability
At a glance
- Email Deliverability has more active installs: 200K+, against fewer than 10 for Dead-Letter.
- On a typical day, Email Deliverability is downloaded about 913 times, Dead-Letter about 1.
- Dead-Letter has no reviews yet.
- Email Deliverability was updated more recently: Jul 16, 2026, against Mar 11, 2020 for Dead-Letter.
- Email Deliverability is tested with a newer WordPress: 7.0.8, against 5.3.27 for Dead-Letter.
- Dead-Letter has been around longer: since 2019, against 2024 for Email Deliverability.
Line by line
Email Deliverability leads on 6 of 6 comparable lines.
| Metric |  Dead-Letter |  Email Deliverability |
|---|---|---|
| Popular rank | #72,671 | #251 |
| Active installs | Fewer than 10 | 200K+ |
| Downloads, last 30 days | 20 | 26.5K |
| Rating | No ratings | 2.5(17) |
| Support threads resolved | – | – |
| Tested up to | 5.3.27 | 7.0.8 |
| Search multiplier | ×0.00 | ×0.90 |
| Last release | 6 years ago | 3 months 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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