----- Original Message -----
From: "David F. Skoll" <[email protected]>
To: <[email protected]>
Sent: Wednesday, February 03, 2010 2:52 PM
Subject: Re: [Mimedefang] mimedefang letting some spams through...why?
Tony wrote:
I'm going around in circles here, as a beginner it's hard to
understand
cryptic replies. Are you saying I should restore the above commands
and
look for the 'double-scan' problem elsewhere?
No.
Here's how the mail flow works:
1) During the DATA phase of the SMTP conversation, the mail is scanned
by MIMEDefang. If you happen to call SpamAssassin from MIMEDefang,
then
the mail gets scanned by SpamAssassin.
2) AFTER Sendmail concludes the SMTP conversation (by replying to the
final
"." with a 2xx SMTP reply code), the mail gets handed over to the
delivery
agent. In your case, that's procmail.
3) The spamc line in .procmailrc calls SpamAssassin *again*, but this
time as you (not the defang user) and after MIMEDefang has utterly
finished
with the message.
4) When the spamc command returns (possibly having altered the mail),
procmail
drops it into your INBOX.
ok thanks for this info David, I appreciate it and it makes things
clearer. Based on what you say I will leave things as they are - without
the spamc entry in procmailrc - and keep an eye on my mail log. I know
when an email has been rejected by MD because I see that specific reject
in the mail log.
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