If you want to set roundcube as the default webmail client on a server with Directadmin here is a guide on how to achieve the desired.
Should you need a custom version of NGINX or any other software on directadmin powered server with custombuild 2.x, here you can see a working solution.
By default dovecot if mailbox quota is exceeded drops a 552 error which would mean that exim declines the message without further retry to deliver it: Requested mail action aborted: exceeded storage allocation.
Should you happen to see lines warning about "unauthorized connection from server.domain.com [11.22.33.xx]:56450 to port 783, fd 6 at /usr/bin/spamd line 1603" here is a possible solution.
If you want remove Exim version number on a Directadmin server, then here is a guide for you.
Let's say you want to use a 3rd party or your own patch for Apache, Exim, etc before to compile a software by custombuild script on a Directadmin server and here is a way for you to go.
If you try to build exim on a DirectAdmin server and it fails with error: 'EC_KEY' undeclared, here you can find a possible solution of the issue.
I want to change default port 2222 when login to Directadmin. Is it possible?
If you want to add nginx-upload-progress-module to NGINX in custombuild2, it will need to be compiled in. The module that needs to be compiled in will have an --add-module type flag which will need to be used.
A short guide on how to install mysqltuner on directadmin powered server. MySQLTuner-perl a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability.