Creating a filter for email pretending to be from my ISP Sonic.net
A substantial portion of email spam that I receive has a couple of characteristics: - the subject line includes "Sonic", and - the sender is plainly not Sonic.
For example:
Return-Path: <live1@tomokawasaki.or.jp> Received: from tomokawasaki.or.jp (tomokawasaki.or.jp [122.1.223.161]) by mwb-sdgw-mts-005c1.ocn.ad.jp (Postfix) with ESMTP id 063B61400008F for <ronks@sonic.net>; Sun, 19 Jul 2026 07:07:06 +0900 (JST) From: =?UTF-8?B?U29uaWMg0JLRlmxs0ZbQv2c=?= <live1@tomokawasaki.or.jp> (From translates to "Sonic Billing" here; in other spam it is cleartext) Subject: Automatic Payment Unsuccessful To: <ronks@sonic.net>
I am wondering if it is possible to construct a filter that says basically: If Subject includes Sonic AND From does not include Sonic Then Send to Trash (or mark as spam or whatever)
Can this be done?
Tất cả các câu trả lời (2)
Yes, set the filter as subject contains sonic and sender does not contain sonic
Thanks! But I posed the question wrong, sorry. Much of this type of spam does include Sonic in the subject line, but obviously not all of it.
As you can see from the example above, the From: field does contain some code that appears as "Sonic Billing", but the Received: field does not. I think those are the two fields I need to compare, not Subject. Would "Customize Headers | New message header" get me access to the Received: field, and how should I enter it if so?
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