Best smime plugins for WordPress
The most popular smime plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Email Essentials leads with 40+ active installs, ahead of S/MIME Email Signing (fewer than 10). All 2 plugins tagged “smime” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
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Top 2 smime plugins
- 1.
Email EssentialsThe most installed smime plugin, with 40+ active installs. No reviews yet, updated 1 week ago.
- 2.
S/MIME Email SigningFewer than 10 active installs. Only 1 review so far, last updated 1 year ago. Tested only up to WordPress 6.8.12.
All 2 plugins tagged “smime”
Email Essentials
Up in the last 7 days:59#21,439by Acato12 days ago
A plugin to make WordPress outgoing emails better and less likely to be marked as spam.
- Installs
- 40+
- Rating
- –
- Downloads
- 13/day
S/MIME Email Signing
#55,094by Liups2331 year ago
A plugin for signing all outbound emails with an S/MIME certificate.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 0/day