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asid

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I set action "silently discard", but spam message is received completely, then it is checked with an antivirus and only then discard.
It is correct?
For example, SpamPal (www.spampal.org) for spam detecting uses subject and only a part of a body of the message (besides different black-white lists, custom rules). Spam message is discarding witout full reception - it is economy of resources of a server and the traffic.
Such mode is possible?
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sedell

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Quote:

I set action "silently discard", but spam message is received completely, then it is checked with an antivirus and only then discard.
It is correct?

Yes, the message has to be received before it can be scanned.

Quote:

For example, SpamPal (www.spampal.org) for spam detecting uses subject and only a part of a body of the message (besides different black-white lists, custom rules).

SpamPal is a client scanning program. It's scanning one user mailbox coming over POP3 or IMAP. KMS uses SMTP - big difference. You can't really compare how a personal level spam filter scans compared to a server level filter.

Quote:

Spam message is discarding witout full reception - it is economy of resources of a server and the traffic.

Not really economy of resources. If you had to scan every message as it's being delivered, you could potentially bring the mail server to a crawl. When you're dealing with hundreds or thousands of mailboxes to scan mail for, as opposed to 1 mailbox, this could be a catastrophe. There can be any number of connections running simultaneously, as opposed to one on a personal level scanner. That's why they're queued and scanned as resources are available.

Scott
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asid

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Thanks for reply
Quote:

SpamPal is a client scanning program. It's scanning one user mailbox coming over POP3 or IMAP. KMS uses SMTP - big difference. You can't really compare how a personal level spam filter scans compared to a server level filter.

http://www.spampalforums.org/phpBB2/viewtopic.php?t=2649
- SpamPal and mailservers.
I'll try.

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sedell

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Hmm. All their main page lists is POP3/IMAP usage. Usually client-side filtering programs don't work as an SMTP relay. You'd have to try it to see how well it works. You'd lose your user's custom whitelists and the server level bayesian learning. Seems a bit much to lose just to cut off a message a second or two early.

Scott
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