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WordPress plugin comparison

Post SMTP vs PostmarkApp Email Integrator

At a glance

  • Post SMTP has more active installs: 300K+, against 50+ for PostmarkApp Email Integrator.
  • On a typical day, Post SMTP is downloaded about 2,628 times, PostmarkApp Email Integrator about 5.
  • PostmarkApp Email Integrator is rated higher: 5.0 out of 5 from 4 reviews, against 4.7 from 528 reviews.
  • Post SMTP was updated more recently: Sep 24, 2026, against Mar 23, 2026 for PostmarkApp Email Integrator.
  • Post SMTP is tested with a newer WordPress: 7.1.4, against 6.9.11 for PostmarkApp Email Integrator.
  • PostmarkApp Email Integrator has been around longer: since 2014, against 2017 for Post SMTP.

Line by line

Post SMTP leads on 6 of 7 comparable lines.

MetricPost SMTPPostmarkApp Email Integrator
Popular rank#161#20,539
Active installs300K+50+
Downloads, last 30 days82.6K149
Rating4.7(528)5.0(4)
Support threads resolved79%–
Tested up to7.1.46.9.11
Search multiplier×2.96×0.26
Last release1 month ago7 months ago
Requires PHP7.1–

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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