Asking for help, contributing to the project
This guide helped many people, also newbies in some cases, to successfully install a mail server based on qmail. In case the informations published here are not sufficiently clear and exhaustive, if you want to address me a comment, an hint or...
Setting the tcprules files for qmail
TCP connections targeting tcpserver or sslserver can denied or allowed given several connection informations, like the client's IP address. tcprules allows to define rules for incoming TCP connections to decided whether they finally will result in an active TCP session. If...
Preinstallation tasks
Before we start let's see how to prepare our machine for the installation. What follows is mostly a collection of hints that I extracted from the comments, so feel free to contribute. On Debian 11, you may have to install at least...
Configuring the Sender Rewriting Scheme (SRS) on qmail
open-spf.org libsrs2 site Marcelo Coelho's patch for qmail SPF "breaks" email forwarding. SRS is a way to fix it. SRS is a simple way for forwarding MTAs to rewrite the sender address. If you followed the 'quick configuration' based on the config-all script, the SRS...
