0
votes
2answers
92 views

Postfix spam flood from my network

I have some issues with my postfix server. Recently it started sending spams, but only in my local network, since open relay has been closed, only allow to my network. I've tried a lot of solutions ...
1
vote
3answers
727 views

Mail spam sending script injected

I apologize if this is already asked a million times. One of accounts on my server got hacked. An email spam sending script is injected and sending ton of emails to some random addresses. I have ...
0
votes
1answer
1k views

Plesk 11 Set firewall rules manually

I have a big spamming problem on my site from ip addresses coming from Asia. My website is designed for people in France and Canada, so I want to block all ip addresses from Asia to avoid spam. I ...
0
votes
1answer
95 views

Possible spam emails from our server but not from our domains

I encountered something weird with my mail server. For about 3 days now I am noticing that my mail server sending emails that aren't included in my domains. There are from different IPs different mail ...
0
votes
1answer
84 views

sendmail injection

I have a server running sendmail. It started sending out tons of spam. I went it, shutdown sendmail cleaned out the queue (removed everything in /var/spool/mqueue). How-ever, as soon as I restart ...
0
votes
0answers
970 views

Securing Postfix on Plesk

I woke up this morning to find my server's IP blacklisted by Gmail and Hotmail and 2,500+ 419 scam mails in my queue. Server is Centos 6 running Plesk 10.4.4. I've googled for guides on securing ...
2
votes
2answers
555 views

Has this server been compromised?

A friend is running a VPS (CentOS) His business partner was the sysadmin but has left him high and dry to look after the system. So, I've been asked to help out in fixing an apparent spam problem. ...
1
vote
1answer
422 views

postfix before-queue spamfilter with spampd proxy

I've configured postfix with spamassassin. master.conf is as following. spamfilter unix - n n - - pipe flags=Rq user=spamfilter argv=/usr/local/bin/spamfilter -f ${sender} -- ${recipient} smtp ...
1
vote
2answers
789 views

My server is sending spam

I have a dedicated server with CentOS+MySQL installed from godaddy.com. Recently I had some very weird problems: I installed a PHP application which has a thread that queries a MySQL database for ...
0
votes
3answers
5k views

DKIM error: dkim=neutral (bad version) header.i=

Ive been struggling the last couple of hours with setting up DKIM on my Postfix/CentOS 5.3 server. It finally sends and signs the emails, but apparently Google still does not like it. The errors I'm ...