The idea of spam throttling came about after would-be spammers were easily circumventing (classic) tarpitting. A reasonable recipient limit in tarpitting must not adversely affect acceptable mail usage, so spam clients typically create multiple SMTP conne
I have set up a particular email discussion list to deal with the following issues: * SPAMCONTROL: release announcements, additional usage information, forthcoming developments * QMVC: release announcements, usage, additional templates * NEWANALYSE: relea
What we'd like to do is allow mail relaying from a selected group of IP addresses only. If you've just been reading the qmail newbie's guide to relaying, you know that we do this be setting the environment variable RELAYCLIENT in qmail-smtpd's environment
This is an SPF implementation for qmail. SPF is something like a DNS based "reverse MX" system to designate permitted senders for mails depending on the domain name. The goal is to disallow sender address forgery.
Life with qmail is aimed at everyone interested in running qmail, from the rank amateur (newbie) who just installed Linux on a spare PC all the way up to the experienced system administrator or mail administrator. If you find it lacking or unclear, please
Given DJB's claims about qmail security, observing the behavior of some of his followers, their denying qmail bugs and calling people who name qmail bugs "trolls", I feel obliged to document a collection of warnings about qmail bugs, problems, with soluti
Qmail Toaster has many interesting features. Besides supporting the POP3, SMTP, and IMAP protocols, it supports the more secure POP3-SSL and IMAP-SSL. It can provide SMTP roaming for remote users using SMTP-AUTH, POP3-AUTH, and IMAP-AUTH. Qmail Toaster ha
there's a fair amount of confusion on the subject of relaying mail and what the rcpthosts file has to do with it, and how tcpserver's tcprules can affect it. So I've written the following, exceedingly wordy explanation of relaying and how to do it selecti
This python script is a simple tool to remove email from a Qmail mail queue that has a certain pattern of text within it. It was designed to be fast and non-destructive. I built this script when I was working at eGroups. All you need is Python, and most L
Welcome to the Qmail-Wiki. We are currently in the process of catagorizing the information in the wiki. If you spot some missing information or have an update please add it to the wiki. You will need to create an account first.
qpsmtpd is a flexible smtpd daemon written in Perl. Apart from the core SMTP features, all functionality is implemented in small "extension plugins" using the easy to use object oriented plugin API.
qSheff is a wrapper for the qmail queue that scans email for viruses and spam. Infected messages are rejected before they reach the queue, so the server doesn't perform any job for them. After checking the message, it will wake the qmail queue.