Some times you end up with domain in /etc/remotedomains that really don’t belong there. The mailserver will realize this but because they are in that file the MTA will not except mail for that domain. This quick little one liner can be run from the command line and will help you remove the domains from /etc/remotedomains that probably don’t belong there.
Continue ReadingThis article will show examples of how to add SPF records automatically to an existing customer(s) on your cPanel/WHM server.
Continue ReadingThis article will show examples of how to add DKIM records automatically to an existing customer(s) on your cPanel/WHM server.
Continue ReadingDoS attacks suck. They’re hard to trace down, and sometimes it looks like legitimate traffic. Hopefully these commands are of some use to someone in helping to determine which IP addresses are currently (or have recently been) connected to your server. Chances are, one or more of them are offending visitors!
Continue ReadingThe Linux `find` command is a great way to locate files quickly and easily. Whether you’re looking for files by name, or needing to find files containing text, this is what you need.
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