On 2018-May-05 17:08, Viktor Dukhovni wrote: > > Well, you should now try with "enable_original_recipient = yes" and wait > for another message to come in. Then report logging for that. Perhaps > the second recipient is just local alias expansion, despite the lack > of "orig_to=" in the log entries.
Set to yes and I will report logging. Local alias expansion would explain relaying to gmail, but not why those emails are even accepted. Coming to port 25, this client doesn't fulfill requirements needed to be talked to at all if I'm not mistaken (generally, you would need to be another valid email server). Did I miss something?