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I am getting mails daily from different mail address like ry8029@fastmail.fm or ry1532@outlook.com etc. Since the mail IDs change daily, I can't filter those mails.

I checked the emails’ origin.

X-Received: by with SMTP id


Wed, 16 Oct 2013 02:15:14 -0700 (PDT) Return-Path: <ry8029@fastmail.fm>
Received: from server.rupyen.info

(server.rupyen.info. [])

by mx.google.com with ESMTPS id c11si34872774qey.80.1969.

(version=TLSv1 cipher=RC4-SHA bits=128/128);

Wed, 16 Oct 2013 02:15:14 -0700 (PDT) Received-SPF: neutral (google.com: is neither permitted nor denied by domain of ry8029@fastmail.fm) client-ip=;

I found that for every mail, the mail server is the same: server.rupyen.info.

How can I block/filter these mails?

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If these are spam email, report them and their originating server. If not, you could contact the server maintainers and remove your email from their list. – slybloty Oct 17 '13 at 15:28

Filters on headers are extremely limited and don't allow to do what you want. See Gmail advanced search for the list of filter operators.

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