Best mail delivery plugins for WordPress
The most popular mail delivery plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. SmartSMTP leads with 2K+ active installs, ahead of NMR Email Log for CF7 (10+) and MailBridgeAPI Email Delivery (fewer than 10). All 3 plugins tagged “mail delivery” 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.
Research this niche or see all plugins.
Top 3 mail delivery plugins
- 1.SmartSMTP
The most installed mail delivery plugin, with 2K+ active installs. Only 3 reviews so far, updated 3 weeks ago.
- 2.
NMR Email Log for CF710+ active installs. No reviews yet, updated 4 months ago.
- 3.
MailBridgeAPI Email DeliveryFewer than 10 active installs. No reviews yet, updated 3 weeks ago.
All 3 plugins tagged “mail delivery”
SmartSMTP
Down in the last 7 days:9#4,609by ThemeGrill23 days ago
Reliable Email Delivery with SmartSMTP
- Installs
- 2K+
- Rating
- 4.7(3)
- Downloads
- 50/day

NMR Email Log for CF7
#32,354by mirceatm4 months ago
Delivery log, failure diagnosis, and Resend routing for Contact Form 7. Know when CF7 emails fail — and fix them.
- Installs
- 10+
- Rating
- –
- Downloads
- 3/day

MailBridgeAPI Email Delivery
#66,627by mailbridgeapi22 days ago
Send WordPress email through a locked MailBridgeAPI mailbox without storing SMTP credentials, with delivery logs, diagnostics and remote visibility.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day