qmail

Installing and configuring vpopmail

Inter7's original page vpopmail version: 5.4.33 Combined patch v. 2022.08.09 Changelog More info here README.vdelivermail Vpopmail provides an easy way to manage virtual email domains and non /etc/passwd email accounts on your mail servers. The purpose of this note is to show how to use Mysql as the authentication...

qmailadmin

Author:  Inter7 Version: 1.2.16 Download the sources from  http://sourceforge.net/projects/qmailadmin/files/ Combined patch v. 2022.08.08 Changelog qmailAdmin is a free software package that provides a web interface for managing a qmail system with virtual domains. It provides admin for adding/deleting users, Aliases, Forwards, Mailing...

ClamAV

Info: http://www.clamav.net Latest version: 0.105.0 Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. Starting from v. 0.104.0 the installation of clamav is based only on CMake, which superseds the autotools install. Therefore we...

Denying bad DNS HELO/EHLOs

The RFC-821 Section 3.5 states that  The sender-SMTP MUST ensure that the <domain> parameter in a HELO command is a valid principal host domain name for the client host. As a result, the receiver-SMTP will not have to perform MX resolution on...

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