RBL Checks within mailscanner - no spam scanning

Kevin Miller kevin.miller at juneau.org
Wed Jul 6 16:43:02 UTC 2016

You don't want to bounce mail from w/in MailScanner - so much of it (close to all I'd wager) has a forged from address and/or envelope sender address that the bounce will end up going to someone that had nothing to do with the spam.  That's a good way to get yourself blacklisted.  An old trick of spammers is to send to bogus addresses with a good from address.  The spam is bounced to the from address who is the real target, disguised as a non-delivery report.  Pretty sleazy.

The proper way is to reject at the MTA rather than in MailScanner, as that deals directly with the sending server.

Kevin Miller
Network/email Administrator, CBJ MIS Dept.
155 South Seward Street
Juneau, Alaska 99801
Phone: (907) 586-0242, Fax: (907) 586-4588 Registered Linux User No: 307357

From: MailScanner [mailto:mailscanner-bounces+kevin.miller=juneau.org at lists.mailscanner.info] On Behalf Of Richard Mealing
Sent: Wednesday, July 06, 2016 7:57 AM
To: MailScanner discussion (mailscanner at lists.mailscanner.info)
Subject: RBL Checks within mailscanner - no spam scanning

Hi everyone,

I have a request from a client who wants to see all the RBL checks within mailscanner, but they don't want to do any SA spam scanning, just AV scanning.
Is this possible?

I've never done RBL checks on mailscanner before. I'm wondering how it works. I read somewhere that is quarantines the emails, is that correct? Is there any way to bounce the emails back to the sender?

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