Anytime I send a message of 1MB or more it is returned with the following
Unable to deliver the message due to a communications failure
MSEXCH:IMS:Credito Italiano:ERM:ERM4 3552 (000B0981) 552 Message
size exceeds maximum limit
This is despite there being no message size limit on the MTA, IMC, or
I have tried configuring MIME attachments in both text and HTML, but to no
Has anyone got any suggestions?