On Fri, 2018-07-20 at 00:56 +0200, David Kastrup wrote: > Then set up your Reply-To: header appropriately when mailing to the > mailing list. I'm not using this email address for only one mailing list. Does the forwarded message look like a message to an open mailing list? Begin forwarded message: Date: Fri, 20 Jul 2018 01:02:18 +0200 From: linux-audio-user-owner@xxxxxxxxxxxxxxxxxxxx To: unknown.crewman@xxxxxxxxxxxxxx Subject: This doesn't work Your message has been rejected, probably because you are not subscribed to the mailing list and the list's policy is to prohibit non-members from posting to it. If you think that your messages are being rejected in error, contact the mailing list owner at linux-audio-user-owner@xxxxxxxxxxxxxxxxxxxx. The Claws way to invoke a mailing list reply could be better for some mailing list, however, neither the "reply" nor the "reply to all" approach does solves issues caused by subscribers like you. > What kind of mail client is unable to recognize a mail belongs to a > certain mailing list when the mailing list is in the Cc: field? What kind of filter by ID does work? What kind of a MUA's List-Help feature does work, if the header is missing etc.? > References? Are you serious? I'm the fist person who asked you to reply to a mailing list only? However, lets stop this discussion. In way more than 10 years subscription to many mailing lists, you are the first one who is not able or willing to listen to reason regarding this issue. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user