The setting you might want is:

g_smite_skip_auth "true"

Or something else weird is going on, I would be looking at the msg*.rec 
delivery logs to see if the messages are being accepted and delivered 
without errors.

     ChrisP.



On 17/12/2016 1:56 p.m., surgemailHIDDEN@etwinsite.com wrote:
> Ran into an interesting issue that I can't find the setting for. Customers who are sending email from their account, to their account are not receiving them. They show as sent but never received. Figured it was in spam settings somewhere but can't find any setting where it's blocking loopback emails. (then again, I've probably seen it while reading through everything and my brain just went blank)
>
> Any ideas?