SlackBuildsOrg/desktop/xfce4-mailwatch-plugin

Xfce4 Mailwatch Plugin is a multi-protocol, multi-mailbox mail watcher
for the Xfce4 panel.

Features
*   IMAP and Secure IMAP support
*   POP3 and Secure POP3 support
*   Local Mbox mailbox support
*   Local Maildir mailbox support
*   Local MH-Maildir mailbox support
*  GMail support
*   Fully multithreaded design: no panel lockups
*   Informative new-message breakdown in tooltip
*   Ability to run program on new messages or button click
*   Informative logger to help track down mail connection problems