Attachment blocking with spoofed addresses and DMARC

2016-04-14 Thread Quanah Gibson-Mount
A customer who has set up DKIM + SPF notes a spammer tactic where they set the TO and FROM to be the same value. I.e.,: To: u...@domain.com From: u...@domain.com With an attachment type that has been set up to be blocked. Even though the message clearly fails DMARC and thus will be flagged a

How to exclude (1) IP address from header checks?

2016-04-14 Thread Mike Schleif
I have one recalcitrant server that runs one old application, which sends important emails once in a while. Unfortunately, amavisd quarantines these emails for various reasons, mostly to do with bad headers. The sender is not unique and the admin has not been able to change that. Of course, its

Per policy_bank whitelist_sender configuration

2016-04-14 Thread Tod A. Sandman
Version: amavisd-new-2.7.0 I have a policy bank for authenticated mail and use the default policy bank for non-authenticated mail. In my amavisd.conf file, I currently read a list of whitelisted senders from a file as follows: @whitelist_sender_maps = (); (push @whitelist_sender_maps, read

[2.11.0rc1 PATCH] do_7zip: Handle completely encrypted archives

2016-04-14 Thread Thomas Jarosch
7zip has two modes for encrypted archives: - Visible file index, the contained file can be encrypted - Complete encrypted archive including the file index Signed-off-by: Thomas Jarosch --- amavisd 2016-04-14 17:06:52.576782623 +0200 +++ amavisd.7zip_new.pl 2016-04-14 17:35:37.013245243 +020