Incoming Mailserver:

Username: username@fhi-berlin.mpg.de (not the short address)

imap.fhi-berlin.mpg.de (Port 993) with Password and SSL (Mac/iPhone)

imap.fhi-berlin.mpg.de (Port 993) with Normal Password and SSL/TLS (Windows/Android)

Outgoing Mailserver:

Username: username@fhi-berlin.mpg.de (not the short address)

mail.fhi-berlin.mpg.de (Port 587) with Password and SSL (Mac/iPhone)

mail.fhi-berlin.mpg.de (Port 587) with Normal Password and STARTTLS (Windows/Android)