Best custom SMTP plugins for WordPress
The most popular custom SMTP plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Swift SMTP (formerly Welcome Email Editor) leads with 7K+ active installs. All 1 plugins tagged “custom smtp” 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 1 custom SMTP plugins
- 1.
Swift SMTP (formerly Welcome Email Editor)The most installed custom SMTP plugin, with 7K+ active installs. Rated 4.2 from 68 reviews, updated 11 months ago. Tested only up to WordPress 6.9.11.