Server Name Indication (SNI) for qmail and dovecot
Server Name Indication (SNI) is a TLS extension that enables a server to present different certificates based on the hostname requested by the client during the TLS handshake. In modern email environments, multiple domains frequently share the same IP address for SMTP,...
Installing a Let's Encrypt certificate for your qmail, dovecot and apache servers
Changelog Feb 25, 2026- the hook.sh script optionally configures qmail and dovecot for Server Name Indication (SNI) Jun 6, 2025- dehydrated now launches a hook.sh script which handles the post-installation tasks (assemble and copy the certificate into the qmail dir, restart the server...
Installing and configuring VPopMail
VPopMail version: 5.6.13 github: sagredo-dev/vpopmail Download Changelog README.vdelivermail Inter7's original page Vpopmail provides an easy way to manage virtual email domains and non /etc/passwd email accounts on your mail servers. Changelog Feb 11, 2026- vlimits.c: avoids no file found exit when .qmailadmin-limits is not existent because no limits are...
VqAdmin
Original author: Inter7 Version 2.4.7 Changelog Download from github My old patches vqadmin is a web based control panel that allows system administrators to perform actions which require root access — for example, adding and deleting domains. As you can see, VqAdmin has a new version with...
fehQlibs
More info here Version: fehQlibs-30 fehQlibs are supplementary C libraries by Erwin Hoffmann. They are needed for ucspi-tcp6 and ucspi-ssl. Install as follows in /usr/local: FEQLIBS_VER=30 cd /usr/local wget https://www.fehcom.de/ipnet/fehQlibs/fehQlibs-${FEQLIBS_VER}.tgz tar xzf fehQlibs-${FEQLIBS_VER}.tgz chown -R root:root fehQlibs-${FEQLIBS_VER} cd fehQlibs-${FEQLIBS_VER} Change the installation folder modifing the file conf-build as LIBDIR=/usr/local/lib HDRDIR=/usr/local/include Compile...
Configuring DKIM for qmail
Index Changelog Acknowlegments Creating the domainkey signature for your outgoing emails Configuring qmail-remote for signing and qmail-smtpd for verification rc script qmail-smtpd/run script Testing qmail-dkim Verification test Testing the DNS record Configuring qmail-smtpd for signing outgoing messages qmail-smtpd run script Testing the signature at qmail-smtpd level Making qmail-dkim and simscan live together in peace Choosing...
ucspi-tcp6
More info: http://www.fehcom.de/ipnet/ucspi-tcp6.html Author: Erwin Hoffmann. IPv6 capabilities have been included by Felix von Leitner's IPv6 patch. The original ucspi-tcp 0.88 is by D.J. Bernstein Version: 1.13.07 ucspi-tcp6 is a fork of Bernsteins' ucspi-tcp 0.88 program, which includes, among the other things, ipv6 capabilities...
Preinstallation tasks
Changelog Jan 21, 2026- added notes for Alma Linux Jan 5, 2026- qmail now avoids the PCRE dependency to make happy Debian 13 users Before we start let's see how to prepare our machine for the installation. What follows is mostly a collection of...
