proton mail

FileMaker plugin for e-mail enhancement.

Spam / phishing filter for Outlook/Thunderbird/Live Mail. Download free!

You can Preview new unread mail with MOAppsMailBoy

AppleScript-able spam tracing/reporting tool for Mail.

A e-mail merge, email extractor, data parser and all in one email utility

Speed up Mail.app.

The must have mail notifier for OS X.

Take control of your voice, video, IM, text, social media, e-mail, fax

MiniMail is a plugin for Apple's Mail application.

Widescreen Apple Mail Plugin