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1

Hello! beginning from 9 may 2013, my server received a lot of spam-mail. I cant' block this mail, because ORF talk to me that mail is "Whitelisted by the Sender Whitelist: Delivery Status Notification, blank sender address.".

Mail header:
Received: from 93.85.220.255 (93.85.220.255) by *.*.ru (*.*.*.**)
with Microsoft SMTP Server id 14.2.342.3; Mon, 3 Jun 2013 16:30:37 +0400
Received: from unknown (HELO localhost)
(@200.30.194.151) by 93.85.220.255 with ESMTPA; Mon, 3
Jun 2013 15:31:23 +0200
From: ""

How can I stop this spam?

by alexey.tsonya 6 years ago
2

@alexey.tsonya: First of all, you should enable filtering emails sent by blank senders:

http://vamsoft.com/support/docs/knowledge-base/whitelisting-blank-senders

In ORF 5.0 and later, this setting is on the Whitelists / Sender Whitelist page.
In ORF 4.4 and earlier versions, it is on the Configuration / Global / Miscellaneous page.

If configured properly, ORF will probably blacklist these:

http://vamsoft.com/r?o-orf-101
http://vamsoft.com/r?o-kb-bl-s

by Krisztián Fekete (Vamsoft) 6 years ago
(in reply to this post)

3

Big thanks for help!
I added trusted host to IP whitelist for our remote mail servers.

by alexey.tsonya 6 years ago

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