Allow registered users to subscribe to categories giving them control over delivery times (e.g. daily or weekly digests) and format (html or text).
Add a contact form to any post, page or text widget. Messages will be sent to any email address you choose. As seen on wordpress.com with added i18n.
Collect e-mail addresses from users with a simple form. Send them an e-mail automagically.
WP-InstantBackup makes it simple to perform database and/or directory backups via FTP, Email, or both.
Reply to comments from email notification
Email Alert subscribe form.
Adds a button to the WordPress visual editor which converts the selected text into a mailto link.
Reconfigures WordPress' WP_Mail function to use Amazon's Simple Email Service.
snSimple Email creates a simple email/contact form for your blog.
Provides logging and debugging data via e-mail and FirePHP.
Hides private details from comment notification emails, such as IP address and email.
Emails an HTML-formatted copy of a single post (not batch/digests) to site subscribers.
Simply enables WordPress shortcode for easily letting you camouflage an email address, hiding it from crawling spiders and bots.
The RSS to Email plugin allows visitors to easily subscribe (for free) via email to blog updates using the RSS2Email.me service
This plugin will send you a notification via Email, Notifo (free push service) or SMS when a specified page or post is viewed.
RSS link for this tag.