New Zimbra install bounces messages instead of accepting them.

[dzeanah]

OK, let's call this one big "nevermind." Typing out the problem description solved my issue.

And as an aside, I'm learning to hate DNS. Except when it's configured properly.

[dzeanah]

I've seen this asked in other posts, so here's the output. The MX record is being found (it wasn't before -- user error)

[root@mail ~]# host -t mx mydomain.com
mydomain.com mail is handled by 10 mail.mydomain.com.
[root@mail ~]#