[NANOG] List admin: filter old address?

There seem to be a number of replies that CC both the old and new list address, resulting in multiple copies of lots of messages. I can filter them at my end, but it'd be better to address that at the list server. -- Chris Adams <cma@cmadams.net>

On 3/31/25 13:11, Chris Adams via NANOG wrote:
There seem to be a number of replies that CC both the old and new list address, resulting in multiple copies of lots of messages. I can filter them at my end, but it'd be better to address that at the list server.
There's no easy way to filter this out in mailman3 as it doesn't have a way to tag a given message ID as already processed. As the archiver (hyperkitty) uses message-id as the primary key, it will only appear once there. it does appear in the digests however as that's essentially a one off mbox container which is emptied into the periodic digests. This only presents itself when people do reply all and someone has cc'd the old list. A reply to list or single reply would only send one email. The intent was that someone wanting to post to the list address would use one or the other and that just reply or reply to list. -- Bryan Fields 727-409-1194 - Voice http://bryanfields.net

Once upon a time, Bryan Fields <Bryan@bryanfields.net> said:
On 3/31/25 13:11, Chris Adams via NANOG wrote:
There seem to be a number of replies that CC both the old and new list address, resulting in multiple copies of lots of messages. I can filter them at my end, but it'd be better to address that at the list server.
There's no easy way to filter this out in mailman3 as it doesn't have a way to tag a given message ID as already processed. As the archiver (hyperkitty) uses message-id as the primary key, it will only appear once there. it does appear in the digests however as that's essentially a one off mbox container which is emptied into the periodic digests.
Well... maybe just stop the old address from forwarding to the list? Set up an autoresponder that tells people to use the new address? -- Chris Adams <cma@cmadams.net>
participants (2)
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Bryan Fields
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Chris Adams