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What hard drives are in my Perc Raid Array

August 9, 2015 MH Tech. 0

I had a client who ordered a new server for me to configure.  The memory was not what was ordered so I checked out all […]

Plesk 12 Mailman relaying denied

July 7, 2015 MH Tech. 0

If you get “relay access denied” error messages on mailman and mailman messages are not going out then check to see if you have ::1/128‘ […]

Server Migration DNS Propagation Solution

June 13, 2015 MH Tech. 0

I have used this technique for a few years now so thought I should post it here as it doesn’t appear to break.

Cannot save sent message or Postfix permission problems.

March 12, 2015 MH Tech. 0

I started getting a “couldn’t save sent message” error message in thunderbird. I logged onto the server and restarted courier-imapd and postfix and retried. Still […]

How to find the biggest files or directories on the server?

November 15, 2014 MH Tech. 0

Just had a client call me due to the fact all the sites on his server were down. A quick check on disk space and […]

The GPG keys listed for the “CentOS / Red Hat Enterprise Linux 6 – atomicrocketturtle.com” repository are already installed but they are not correct for this package.

October 23, 2014 MH Tech. 0

Atomic are moving everything under one key. To fix this error run this command;

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Logging from to and subject in postfix

October 22, 2014 MH Tech. 0

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 […]

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Blocking a spammer with firewall on a fresh chain.

October 21, 2014 MH Tech. 0

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 […]

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Tracking which account is sending spam on a plesk server

October 20, 2014 MH Tech. 0

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 […]

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qmail delete all emails from specific domain in queue

September 22, 2014 MH Tech. 0

I installed qmailhandle and tried to delete using wildcards and it didn’t work. This command however does. /usr/bin/qmhandle.pl -h’\@domain’

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