Rogelio wrote:
I'm considering building two QmailToaster servers (one for mx relay
and one for mx backup), but before I do, I'd like to make sure it can
do things easily. (Ideally, I could see an online HOWTO so I could
get a feel of how exactly it would work. I googled, but found nothing
in the first several dozen search results)
The best you'll find is the wiki (wiki.qmailtoaster.com). There's even
instructions on how to be a backup MX on there.
Can QmailToaster...
(1) easily be an MX backup for other mail servers. I have probably
Yes. Just add them to your rcpthosts file. That easy.
(2) easily be an mail gateway / relay for other hosts (not just one
host behind it). So, say I have domain1.com, domain2.com, and
domain3.com. I'd like to forward domain1.com to my internal IP, have
domain2.com go to another public IP, and have domain3.com go a second
public IP.
I'm assuming you're wanting it to be a backup MX record for multiple
domains. Sure, it doesn't care. When you tell it to accept mail for a
domain, it will accept it then lookup where it's supposed to go via DNS
and try and send it there.
(3) dynamically pull usernames off other boxes (particularly
Exchange)? This (or something like it) would stop dictionary attacks
from hammering Exchange.
Not Qmailtoaster. You may want to look at something like qmail-ldap for
that.
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