Post SMTP vs SMTP Mailer
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
At a glance
Post SMTP leads the WordPress.org popular list today at #162, ahead of SMTP Mailer at #591. Over the last 7 days Post SMTP held its place and SMTP Mailer climbed 1 place. Post SMTP has the largest install base, roughly 4.3× the next: 300K+ active installs against 70K+ for SMTP Mailer. Downloads this week: Post SMTP 23,619 and SMTP Mailer 20,855. Ratings: Post SMTP 4.7★ from 525 and SMTP Mailer 4.6★ from 67 reviews.
| Metric | Post SMTP | SMTP Mailer |
|---|---|---|
| Popular rank today | #162 ▬ | #591 ▲ 1 |
| Active installs | 300K+ | 70K+ |
| Downloads, last 7 days | 23,619 | 20,855 |
| Rating | 4.7★ (525) | 4.6★ (67) |
| Last updated | Aug 25, 2026 | Sep 7, 2026 |
| Current version | 4.0.1 | 1.1.28 |
| Best rank on record | #161 | #591 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Oct 2017 | Dec 2015 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
More comparisons
Frequently asked questions
Which is more popular, Post SMTP or SMTP Mailer?
By active installs, Post SMTP: 300K+ sites run it against 70K+ for SMTP Mailer, according to WordPress.org figures captured on September 13, 2026.
Which ranks higher on WordPress.org, Post SMTP or SMTP Mailer?
Post SMTP, at #162 on the WordPress.org popular plugins list today, with SMTP Mailer at #591. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are Post SMTP or SMTP Mailer alternatives to each other?
Yes. All of them are smtp & email delivery plugins, so a site would normally run one of them. The figures above show which one more WordPress sites choose and how that has changed over time.
Where do these numbers come from?
WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.