Webmail made easy!
A simple native java network library
Super simple mail merging for Mac OS X using CSV and Mac's Mail.app
Edição e envio de e-mails e SMS em massa.
Zimbra Backup and Restore
send mass mail
Aspose.Email allows you to work with IMAP, POP and Exchange emails
Roundcube simple captcha plugin
javascript to convert thunderbird/seamonkey filters to sieve rules
ncurses VCard 3.0 contact management editor
A very simple Email Extractor
This is a php script that runs outside Drupal to send your Simplenews
commandline multiclass email and text filter
Robust open source POP3 client and MIME parser written in C#