Suggestion to speed MailScanner up

Martin.Hepworth martinh at solidstatelogic.com
Wed Feb 7 10:39:53 CET 2007


Carlos

Not a good idea. Even if it's spam you need to check if there's a virus
in there so you don't release malware by accident.

AV checks are quite quick in comparison to Spamassassin checks..assuming
you're doing SA which it doesn't look like you are..

--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300

> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-
> bounces at lists.mailscanner.info] On Behalf Of Carlos Pastorino
> Sent: 07 February 2007 01:30
> To: mailscanner at lists.mailscanner.info
> Subject: Suggestion to speed MailScanner up
>
> I have noticed that MailScanner checks for viruses even if the spam
> has been marked for deletion.
>
> Here's one example:
>
> Feb  6 01:20:03 mailserver MailScanner[3368]: New Batch: Scanning 1
> messages, 1655 bytes
> Feb  6 01:20:03 mailserver MailScanner[3368]: Spam Checks: Starting
> Feb  6 01:20:04 mailserver MailScanner[3368]: RBL checks:
> 0338C2C0F7.99CBE found in SORBS-DNSBL, SBL+XBL, spamhaus-XBL,
> spamcop.net
> Feb  6 01:20:04 mailserver MailScanner[3368]: Message 0338C2C0F7.99CBE
> from 219.150.57.14 (xpisig at spammer.domain) to mydomain.com.br is
> SORBS-DNSBL, SBL+XBL, spamhaus-XBL, spamcop.net
> Feb  6 01:20:04 mailserver MailScanner[3368]: Spam Checks: Found 1
spam
> messages
> Feb  6 01:20:04 mailserver MailScanner[3368]: Spam Actions: message
> 0338C2C0F7.99CBE actions are delete
> Feb  6 01:20:04 mailserver MailScanner[3368]: Spam Checks completed at
> 1579 bytes per second
> Feb  6 01:20:04 mailserver MailScanner[3368]: Virus and Content
> Scanning: Starting
> Feb  6 01:20:09 mailserver MailScanner[3368]: Virus Scanning completed
> at 334 bytes per second
> Feb  6 01:20:09 mailserver MailScanner[3368]: Batch completed at 275
> bytes per second (1655 / 5)
> Feb  6 01:20:09 mailserver MailScanner[3368]: Batch (1 message)
> processed in 6.00 seconds
>
>
> If the virus scanning were to be skipped in this case -- since the
> message was going to be deleted anyway -- the processing time
> should've been 1 second, instead of 6 seconds.
>
> My suggestion is that MailScanner.conf gives us an option to only
> check for viruses in the e-mails which are going to be delivered or
> stored in the quarantine.
>
> Any thoughts?
>
> Best regards,
>
> Pastorino
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>
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>
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