from one of our customers we have an appliance that performs the mta and the TE / TX. All based on R80.30 JHF 155.
In the TX configuration, in the advanced section, the entry Encrypted files: Block.
we tried to receive an email with a password zip, but the email arrives regularly with the attachment included
[Expert@cp-atp:0]# tecli advanced analyzer prohibited
encrypted - Deprecated! please refer to Policy Granularity Manager - tec
on the log we see the part of TE who works the file and then delays it to the mailbox