3 ms·
> message-obsoletes-id: <prev msg id>... The “Supersedes:” header already exists.
by teddyh 4y ago
> message-obsoletes-id: <prev msg id>...
The “Supersedes:” header already exists.
- deleted 4y ago[deleted]
- deno 4y agoI think it’s for X400 mapping https://www.rfc-editor.org/rfc/rfc2156 https://www.rfc-editor.org/rfc/rfc2156. Anyway I have never seen it used in an email. A by seen I mean I just grepped a whole bunch of messages looking for it ;)
- teddyh 4y agoI believe that the “Supersedes” header comes from Netnews (a.k.a. Usenet): https://www.rfc-editor.org/rfc/rfc5536#section-3.2.12 https://www.rfc-editor.org/rfc/rfc5536#section-3.2.12