Bad Header info to Spamassassin

[Toni Schornböck]

Hi.

My question is the following: Amavis adds "X-Amavis-Alert" with "BAD
HEADER SECTION" if some mail headers are messed up. I'd like to increase
the spam score of those messages. It seems Spamassassin does not see the
X-Amavis-Alert header and so I can't apply SA rules for this.
My try was:

header L_AMAVIS_ALERT_EXISTS exists:X-Amavis-Alert

which never triggered.
Is there a way to make amavis add X-Amavis-Alert before passing the mail
to Spamassassin or to add some spam score from inside amavis (like the
virus_name_to_spam_score_maps)?

I can't reject mails based on bad headers but I really want to increase
the spam score on those messages.

I am using
CentOS release 6.5
amavis 2.9.1-2.el6
spamassassin 3.3.1-3.el6

kind regards,
Toni