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WordPress plugin comparison

Casa Mail vs SMTP Mailer

At a glance

  • SMTP Mailer has more active installs: 70K+, against 10+ for Casa Mail.
  • On a typical day, SMTP Mailer is downloaded about 443 times, Casa Mail about 3.
  • Casa Mail has no reviews yet.
  • SMTP Mailer was updated more recently: Sep 7, 2026, against Jun 8, 2026 for Casa Mail.
  • SMTP Mailer is tested with a newer WordPress: 7.1.4, against 7.0.8 for Casa Mail.
  • SMTP Mailer has been around longer: since 2015, against 2026 for Casa Mail.

Line by line

SMTP Mailer leads on 6 of 6 comparable lines.

MetricCasa MailSMTP Mailer
Popular rank#47,097#585
Active installs10+70K+
Downloads, last 30 days6612.8K
RatingNo ratings4.6(67)
Support threads resolved–0%
Tested up to7.0.87.1.4
Search multiplier×0.13×1.06
Last release5 months ago2 months ago
Requires PHP7.4–

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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