Logging from to and subject in postfix
We needed to analyse the from, to and subject on one of our servers to deal with a persistent spammer. Add this to your header_checks […]
Articles by MH Tech.
Blocking a spammer with firewall on a fresh chain.
A client uses fail2ban plus a number of other custom scripts to build his firewall to block unwanted access. The firewall table was getting very […]
Tracking which account is sending spam on a plesk server
This is not an easy task without knowing a few tricks as the log files are not an awful lot of help. Providing you have […]
qmail delete all emails from specific domain in queue
I installed qmailhandle and tried to delete using wildcards and it didn’t work. This command however does. /usr/bin/qmhandle.pl -h’\@domain’
flush the qmail queue
To retry all the emails in the qmail queue kill -ALRM `ps ax | grep [q]mail-send | awk ‘{print $1}’`
smtp auth spam problems with qmail on plesk?
Recently I have been getting quite a few spam problems where the spammers were using valid smtp auth accounts on my server. They have either […]
mod_fcgid: HTTP request length 132330 (so far) exceeds MaxRequestLen (131072)
If you get unusual errors when uploading a file via http check the error log. If you see this error message [Tue May 27 17:55:15 […]
how to extract a list of domains from a plesk server
I need a list of domains to use in a script for rebuilding a DNS server. This did the job. mysql -uadmin -p`cat /etc/psa/.psa.shadow` psa […]
Track down an SMTP user login on plesk 9 Qmail install.
A client contact me today to say he had received an email from his dedicated hosting provider stating that his server was sending out masses […]
Unusual hack. WordPress htaccess redirect for search engines only.
I had a couple of clients complaining that their wordpress sites had been hacked. I went to their site and saw nothing out of place. […]