picaros.org incoming mail server

Thunderbird: Edit / Account Actions: Add Mail Account

Local mail directory: nsmail/

Server Name: mail.picaros.org
Server Type: IMAP
User Name: your_unix_user_name
Check for mail every 10 minutes.

Server Settings: TLS (port 143)
  Advanced: 
    IMAP server directory: ~/mail/
    unselect: Server supports folders that contain sub-folders and messages