Best email address plugins for WordPress
The most popular email address plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WP Mailto Links leads with 7K+ active installs, ahead of User Domain Whitelist (200+) and Optimizer Shortcodes (30+). All 5 plugins tagged “email address” 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 5 email address plugins
- 1.
WP Mailto LinksThe most installed email address plugin, with 7K+ active installs. Rated 4.6 from 33 reviews, last updated 3 years ago. Tested only up to WordPress 6.2.15.
- 2.User Domain Whitelist
200+ active installs. Rated 4.1 from 9 reviews, last updated 8 years ago.
- 3.
Optimizer Shortcodes30+ active installs. No reviews yet, last updated 4 years ago. Tested only up to WordPress 6.0.18.
- 4.
AutoPostcode30+ active installs. No reviews yet, updated 4 months ago.
- 5.Email Domain Checker for WP e-Commerce
10+ active installs. No reviews yet, last updated 14 years ago. Tested only up to WordPress 3.4.2.
All 5 plugins tagged “email address”

WP Mailto Links
Down in the last 7 days:2#2,532by Online Optimisation3 years ago
Protect & encode email addresses safely from spambots & spamming. Easy to use - encodes emails out-of-the-box.
- Installs
- 7K+
- Rating
- 4.6(33)
- Downloads
- 22/day
User Domain Whitelist
Down in the last 7 days:75#11,195by Warren Harrison9 years ago
The User Domain Whitelist/Blacklist plugin limits user registration to only registrants with an email address from the domain white list provided by t …
- Installs
- 200+
- Rating
- 4.1(9)
- Downloads
- 11/day

Optimizer Shortcodes
Down in the last 7 days:162#23,743by Business Optimizer4 years ago
A very simple plugin that turns your email address into a shortcode. This plugin provides a field and shortcode for your email address allowing you to …
- Installs
- 30+
- Rating
- –
- Downloads
- 3/day

AutoPostcode
Up in the last 7 days:295#25,031by creativemarketingltd4 months ago
This plugin adds UK address postcode lookup functionality on the checkout page of your website and is exclusively designed for WooCommerce.
- Installs
- 30+
- Rating
- –
- Downloads
- 0/day
Email Domain Checker for WP e-Commerce
Up in the last 7 days:5,705#40,452by Vishal Kothari14 years ago
This plugin validates the existence of the domain name that is entered in the email address while checkout for WP e-Commerce store owners.
- Installs
- 10+
- Rating
- –
- Downloads
- 1/day