On 1/11/2016 1:57 PM, Justin Edmands wrote:
We have seen a few messages that were allowed to be sent "on be half of" a user within our network. The external users domain was able to send through our relay and sort of spoof the user. Any way to use spamassassin to prevent this sort of this?
Sounds like more of something for a milter on outgoing mail like MIMEDefang.
