Thread: Server Hacked?
View Single Post
  #38  
Old 26th January 2012, 14:12
till till is offline
Super Moderator
 
Join Date: Apr 2005
Location: Lüneburg, Germany
Posts: 36,381
Thanks: 833
Thanked 5,482 Times in 4,316 Posts
Default

If noone needs to connect to the mailserver from external IP's, then close port 25 in the firewall. If you want to change or add a additional listen port, then edit postfix master.cf
__________________
Till Brehm
--
Get ISPConfig support and the ISPConfig 3 manual from ispconfig.org.
Reply With Quote