mail
That kind of worked. XenForo still can't send out registration conformations and other emails. I can send an email from the server to a gmail account just fine when using Roundcube. Still not receiving emails though.
Here is mainlog,
Since using DirectAdmin, I have never ever been able to receive emails. I have been able to send them, but they nearly always end up in the spam folders.
rejectlog and mainlog inside /var/log/exim/ is just error after error after error. What errors do you need? I'll post them here.