email validator

Open source web conformance tool.

MacSonik Office 365 backup tool enables backup of o365 emails into 20+ formats.

Encrypt important notes, messages, and more.

Archive Outlook 2011 emails.

FileMaker plugin for e-mail enhancement.

Scripting addition for sending direct emails.

A new open-source mail client for Mac OS X.

Email Newsletter Software

Email client from Mozilla.

Email client with messages organized by person.