Can you read this email? (second attempt)

[Alberto Salvia Novella]

Kevin Godby:
> Messages that match the content filtering rules will be discarded
> without notice to the sender. The content filtering rules are set such
> that they should only apply to messages with no text in the body and
> only a potentially dangerous attachment (e.g., a Windows executable).

We can enable the bounce message, send another email digitally signed, 
and see what the bounce says.

All the bounce messages I have seen on Mailmal explained in detail why 
the emails were discarded.