There are various guides online for setting up Postfix as a backup (hold and forward) mail server which knows which accounts are valid on the primary (to prevent backscatter spam, so it only accepts emails for actual accounts that exist on the primary mail server). All of them are slightly different and none of them […]

IP Failover (proof of concept) Essentially the idea is that if your primary web server goes down, your backup server automatically takes over (failover). When your primary server is back online, it takes over again (failback). It sounds simple, but it can be very complicated and expensive to eliminate all the single points of failure […]

None of the vacation/forwarding plugins work with Virtualmin so this is my workaround. Firstly, users need to be created as Mail and FTP users, since we will be using FTP to place the .forward files. Download and unzip the plugin: wget http://downloads.sourceforge.net/project/rcubevacation/vacation-1.9.9.zip?use_mirror=ovh&ts=1280145947 unzip vacation-1.9.9.zip cd vacation vi config.ini We are going to use Usermin’s own […]

I can never get the Virtualmin binary file compilation to work properly, so here’s my workaround to enable changing a user’s Virtualmin password in Roundcube Webmail. Firstly, let’s go to the plugins/password directory (your path will be different): cd ~username/public_html/webmail/plugins/password cp config.inc.php.dist config.inc.php vi config.inc.php We need to change the password driver to virtualmin (hit […]