Using amavisd-new-2.6.2 on Ubuntu Server 9.04 64bit.
Ubuntu comes with what I could only describe as a broken Amavis policy:
@whitelist_sender_acl is preset to $mydomain (or something like that, I
forgot the original value since I changed it). So, of course a lot of
spam gets through, because a lot of it uses my own email address for
Sender or From.
I changed that to:
@whitelist_sender_acl = qw( n0ne );
But still, messages with forged From addresses are not being passed
through Spamassassin.
Here are headers from a message that was not using a forged From and did
pass through SA:
X-Virus-Scanned: Debian amavisd-new at andrei.myip.org
X-Spam-Flag: NO
X-Spam-Score: 3.708
X-Spam-Level: ***
X-Spam-Status: No, score=3.708 tagged_above=-100 required=5
tests=[FH_FROMEML_NOTLD=2.196, RDNS_NONE=0.1,
SHORT_HELO_AND_INLINE_IMAGE=0.702, TVD_RCVD_SINGLE=0.303,
XMAILER_MIMEOLE_OL_4B815=0.407] autolearn=no
And here's one forging the From as my own address:
X-Virus-Scanned: Debian amavisd-new at andrei.myip.org
See what I mean? It's not being sent to SA. I perused all the Amavis
config files (Ubuntu splits them up, not a bad idea in the end) but I
haven't got a clue. I thought setting @whitelist_sender_acl to a
nonsense value should stop the problem. Apparently not.
How can I tell what's going on? How do I stop it from whitelisting based
on the sender domain? Basically, how to put it in debug mode, or
something like that, so I can see its internal state and actual config
variables that it's using?
Note: I do whitelist based on IP range, using @mynetworks, which is the
right thing to do (avoid scanning emails I send) and it works well.
--
Florin Andrei
http://florin.myip.org/
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