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Entries Tagged as 'qmail'

How to update qmail relay rules

August 20th, 2008 · No Comments

D. J. Bernstein’s Qmail, now in the public domain, is a powerful yet clumsy SMTP messaging system. One of the most common problems is updating the rules for allowing SMTP relay, or denying the same. If you qmail-smtpd under tcpserver, the following will update relay allow and relay forbid rules. Create a file called /etc/tcp.smtp […]

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Tags: Email Servers · How Tos · qmail

Qmail lacking features, view config

May 17th, 2007 · No Comments

/var/qmail/bin/qmail-showctl will show you the running config. Qmail does not allow you to restrict max recipients or max messages per session. I saw reference to a plugin to handle these controls, but do not know the name of it. You can restrict max message size in /va/qmail/control/databytes Example: $ cat /var/qmail/control/databytes 10485760 That’s a 10MB […]

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Tags: Email Servers · qmail · SMTP

Qmail SMTP routes, single route

May 16th, 2007 · No Comments

Qmail smtproutes can only handle one route per egress domain name. Example: example1.com:10.0.0.1 example1.com:10.0.0.2 Will send mail only to 10.0.0.1 The second entry will be ignored. You are better off using round-robin DNS or submitting a patch to handle priority routing. Adverts: The qmail Handbook qmail Running qmail

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Tags: Email Servers · qmail · SMTP