Best transactional plugins for WordPress
The most popular transactional plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. SendWP leads with 10K+ active installs, ahead of Lettermint (500+) and Ninja Mail (300+). All 9 plugins tagged “transactional” 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 9 transactional plugins
- 1.
SendWPThe most installed transactional plugin, with 10K+ active installs. Rated 4.1 from 14 reviews, updated 1 week ago.
- 2.
Lettermint500+ active installs. Only 1 review so far, updated 1 month ago.
- 3.
Ninja Mail300+ active installs. No reviews yet, last updated 5 years ago. Tested only up to WordPress 5.6.23.
- 4.
sendwithus10+ active installs. Only 2 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.2.39.
- 5.
Online SMS NotificationsFewer than 10 active installs. Only 1 review so far, updated 7 months ago. Tested only up to WordPress 6.9.11.
- 6.
ThorMail ClientFewer than 10 active installs. No reviews yet, updated 8 months ago. Tested only up to WordPress 6.9.11.
- 7.
EdgeMailFewer than 10 active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.8.12.
- 8.
Mansoor SMTP for SendByteFewer than 10 active installs. No reviews yet, updated 3 months ago.
- 9.
Flarepipe Email for CloudflareFewer than 10 active installs. No reviews yet, updated 2 months ago.
All 9 plugins tagged “transactional”
SendWP
Down in the last 7 days:4#1,766by Kevin Stover7 days ago
Say hello to the easy solution to transactional email in WordPress.
- Installs
- 10K+
- Rating
- 4.1(14)
- Downloads
- 155/day
Lettermint
Up in the last 7 days:95#8,917by Lettermint1 month ago
Professional email delivery for WordPress. Seamlessly integrates with wp_mail() to send emails through Lettermint.
- Installs
- 500+
- Rating
- 5.0(1)
- Downloads
- 11/day
Ninja Mail
Up in the last 7 days:32#10,720by James Laws5 years ago
Ninja Mail is being sunset and no longer functions as of April 1, 2021.
- Installs
- 300+
- Rating
- –
- Downloads
- 0/day
sendwithus
Down in the last 7 days:1,305#40,516by dylanemoore11 years ago
Transactional Email Made Easy - Now on WordPress!
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 0/day
Online SMS Notifications
Up in the last 7 days:17,329#53,378by onlinesms7 months ago
Send transactional SMS notifications for WooCommerce order status changes using OnlineSMS.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 0/day
ThorMail Client
#55,426by Jose Canchila (Jodacame)8 months ago
The Ultimate Delivery Platform. Official WordPress client for ThorMail (Self-Hosted). Connect your WordPress site to your own email infrastructure.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
EdgeMail
Up in the last 7 days:9,860#62,799by David1 year ago
Replace WordPress transactional email with Cloudflare Worker endpoint integration.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Mansoor SMTP for SendByte
Down in the last 7 days:3,746#65,028by Mansoor Saidu3 months ago
Send all WordPress emails through SendByte SMTP with logging, test email, sandbox mode, delivery dashboard, and connection health check.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Flarepipe Email for Cloudflare
Down in the last 7 days:10,173#74,148by FlarePipe2 months ago
Send WordPress transactional email through Cloudflare's Email API, straight from your own Cloudflare account. No separate mail service required.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day