Filter mail on List-ID header
Many mailing lists add a "List-ID" header per rfc2919, such that for mail received from a given mailing list "list@example.com", the mailing list software will add a line similar to the following to the message header:
List-ID: My Cool Mailing List <list.example.com>
It would be useful to be able to select this as a filter option for Labels, Folders, anywhere filters can be applied.
Thanks for considering!
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m4rkw commented
I would also like to be able to filter on the presence of this header in a message, irrespective of its content.
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Etienne commented
This would allow to filter all these mails, place them in a special folder, and disable notification on them. Gmail already have a similar feature (the "Promotions" tab).
Because it's really boring to get notifications (especially from the ProtonMail mobile app) every time we receive a promotional email or whatever from a mailing list.
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Zhihao Yuan commented
And ignore my sent email coming back from the mailing list please.