My server (postfix) is sending spam from a local user account which no longer exists in the server.
I checked vhosts account and verified that no phpmail () function is sending those emails.
My relay is not open.
I don't where these emails are coming from.
All the emails sender address is a...
Please someone help. I have been searching those rkhunter warnings and found out that all of them are false positives. What am I missing? I shut down my smtp server to stop spamming problem. I cannot figure what or who is sending the spam.
I followed the instructions on the article...
thank you for your quick response.
I installed and ran chkrootkit but it did not find anything.
rkhunter check gave me the following results.
[10:13:55] Running Rootkit Hunter version 1.4.0 on s15342963
[10:13:55]
[10:13:55] Info: Found O/S name: CentOS release 5.9 (Final)
[10:13:55] Info...
I am having a major problem with spam. Postfix is continuously sending spam from my server.
the message header is showing a username and a domain name in all messages. I moved the mail service for this user to another server so I am not sure how the server continues the same username in the...