It's odd that Service Configuration > Exim Configuration Manager > Basic Editor > Apache SpamAssassin options
Do not forward mail to external recipients based on the defined Apache SpamAssassin™ score
Even when the outgoing forwarded mail would be classed as spam, the system still tried to send a bounce message back to the original sender - which will almost always be spoofed when the message is spam.
Do not forward mail to external recipients based on the defined Apache SpamAssassin™ score
Even when the outgoing forwarded mail would be classed as spam, the system still tried to send a bounce message back to the original sender - which will almost always be spoofed when the message is spam.