yahoo mail

Assists administrators backing up mail settings and stores.

Adds labels & multi-colored flags to Mac Mail.

Stop spam mails for your mail client.

Analyze your e-mail and text, detect paragraphs and lists within your text.

Offline news and mail reader.

gMailContacts uploads the E-Mail addresses from your Mac OS X Address Book..

list application for Mac OS X that synchronizes withiCal and Mail.

Allows OS X Mail.app to retrieve Hotmail email.

iVideoMail is a simple Mail.App bundle that offers video recording capability.

The complete and fast mail application for GNUstep and Mac OS X.