Actually, your attached message, while generated for a yahoo.com address, was actually generated by an Exim MTA, and should have been recognized by the existing exim.py module which simply looks at the addresses in the X-Failed-Recipients: header.
Did this actually fail in your case?
Actually, your attached message, while generated for a yahoo.com address, was actually generated by an Exim MTA, and should have been recognized by the existing exim.py module which simply looks at the addresses in the X-Failed- Recipients: header.
Did this actually fail in your case?