Administrative email from FreeBSD jails

Arthur Chance freebsd at
Tue Feb 20 13:15:53 UTC 2018

On 16/02/2018 17:06, Michael Grimm wrote:
> James B. Byrne via freebsd-questions <freebsd-questions at> wrote:
>> Is the any simpler software package that can forward all application
>> and system generated email from a jail to an external hub?
>> How do other people handle this requirement in their jails?
> I did substitute sendmail by DragonFly Mail Agent in mail/dma some time ago. It runs at the host and in all those jails not running postfix. Easy setup [1], fine replacement of sendmail.
> [1] in my case it's a two line config (your milage my vary) with running my postfix MTA:
> 	# Your smarthost (also called relayhost).
> 	# The internet hostname dma uses to identify the host.

[This is a bit delayed, I've been offline with flu.]

I'll second DMA. I've looked at various solutions over the years, and if
you want mail to go out sensibly but don't need incoming mail DMA is the
simplest solution I've found.

An amusing coincidence: log2(58) = 5.858 (to 0.0003% accuracy).

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