Can you read this email? (second attempt)

[Alberto Salvia Novella]

C de-Avillez:
> For the record, all emails from Alberto that I have seem signed are
> being signed using X.509 certificates, generating the "smime.p7s"
> attachment. Not GPG.

Yeap, but nobody else seems to be using ".p7s" certificates apart from 
me, and still they are being filtered. So probably it also affects GPG 
signatures.

Please change silently discarding messages to bouncing them, so I can 
perform a black box analysis of what's going on.