Configuring Sender Policy Framework (SPF) on qmail
The Sender Policy Framework (SPF) is an open standard specifying a technical method to prevent sender address forgery. More precisely, the current version of SPF — called SPFv1 or SPF Classic — protects the envelope sender address, which is used for...
queue-repair
http://pyropus.ca/software/queue-repair/ Author: Charles Cazabon A toolkit for dealing with the qmail queue directory structure; it can create a new queue, move and properly rename a queue, dynamically change the conf-split value, convert big-todo queues to non-big-todo and vice versa, and repair a corrupted...
ezmlm-web
Info: https://systemausfall.org/toolforge/ezmlm-web/ Version: 3.3.1 (download) patches for compiling with gcc-7 (tx Ricardo Brisighelli) ezmlm-web is a web interface for the administration of ezmlm mailing lists. The development of ezmlm-web seems to be ended and it appears not to be compatible with ezmlm-idx-7.x, so you may want to...
Setting up rblsmtpd
NB: you can skip this page if you decided to use qmail-dnsbl instead Info: https://www.fehcom.de/ipnet/ucspi-tcp6/man/rblsmtpd.1.html Greetdelay patch by Erwin Hoffmann: http://www.fehcom.de/qmail/qmail.html##greetdelay A Realtime Block List (RBL) is a list of addresses that an RBL list supplier believes are a source of Spam.rblsmtpd blocks mail from RBL-listed...
