Postfix

Postfix

Posted May 28, 2004 1:28 UTC (Fri) by brouhaha (subscriber, #1698)
Parent article: Movable type and "almost free" software

I use qmail on a server machine for about a dozen domains. It works reasonably well, but I'm disappointed in the lack of ongoing development. There are patches to implement many of the new features I want, but the commonly requested features really ought to be part of the distribution, and it appears that this is not likely to happen.

For all my backup MX systems, I've switched to Postfix. Postfix has a feature that makes it incredibly easy to set up a backup MX, which is that you can configure it to be willing to act as a backup for any domains which include specified IP addresses in their MX lists.

In other words, if I have a machine at 192.168.34.56 that acts as a primary MX for a bunch of domains, I can simply tell postfix on the backup MX system to act as a backup for any domain that has 192.168.34.56 in its MX list.

I also now use Postfix on a few leaf systems, and it seems to work quite well there.

So I'll probably move my main server from qmail to Postfix at some point. The transition will be somewhat painful, as I currently depend on some qmail-specific behavior in .qmail files that won't easily map to Postfix .forward files. Fortunately Postfix does have a configuration option that can be used to change the subaddress delimiter from it's default value "+" to another character such as the "-" used by Qmail.

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