Am 22.05.2017 um 14:07 schrieb Markus Eckerl: > Is it possible to send a pop3 "LOGIN-DELAY" if the customers last login is only a few seconds away? you may try postlogin script voodoo: https://wiki.dovecot.org/PostLoginScripting#Last-login_tracking https://wiki.dovecot.org/PostLoginScripting#Denying_connection_from_some_IP.2FUser Andreas