I've got very brazen pop3 attack how to protect the server?
- by Ken Tang
Today I have brazen attack to my pop3-dovecot server and mail log is full over (200MB) with this kind of information:
Nov 11 09:28:14 lax dovecot: pop3-login: Aborted login (auth failed, 1 attempts): user=<shawn>, method=PLAIN, rip=200.233.152.111, lip=myip
Nov 11 09:28:14 lax dovecot: pop3-login: Aborted login (auth failed, 1 attempts):…