Hi, I have problem, my server is listed in spamhaus. I need solve this, but my problem is that I don't know how. I need know that log files see to discover who is o from that IP are the attack.
Now I blocked all access to smtp port(25) from any IP incluided LAN, only access permit from webmail zimbra.
What files logs I need see, and any example?, please
Can you help me!
Sorry, but my english is not good.