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Increase Courier-IMAP Connection Limit VPS Server

It is very easy to hit the Courier IMAP connection limit on a VPS or dedicated server with Parallels Plesk. Plesk by default limits the number of connections to 4 per IP which is already one connection less than most email clients. Desktop email clients usually...

Server Hostname Keeps Changing on Restart

If your running CentOS/Linux VPS or server, you may encounter your custom hostname changing after restarting your VPS/server. Hosting providers usually assign your server with a default hostname, usually a unique subdomain with a bunch of numbers. Most of us however,...