Thunderbird Fix It

Manage local email folders, recover deleted messages, remove attachments and clean up duplicate items

An email client for Mac OS X and Windows

Connects to the messaging system to view and send messages

Batch utility to quickly validate email addresses, keep mailing lists clean, and export verification reports

Client interface for accessing all of your mail accounts

Bulk email marketing tool for creating newsletters, managing mailing lists, and sending personalized campaigns

Windows email client that uses SMTP and IMAP