On Fri 05/Jul/2024 15:00:45 +0200 Jaroslaw Rafa wrote:
Dnia 5.07.2024 o godz. 19:45:10 Jeff Pang via mailop pisze:
When an user requests to join mailing list, which address should we
take? The envelope address, or the header From address?
I think you should follow the best practice, ie. how it is implemented in
the predominant mailing list software (eg. mailman).
That's right. It is incredible how little standardization exists about mailing
lists. For Mailman 3, there are sentences like this:
While configurable, the sender addresses by default are those named
in the From:, Sender:, and Reply-To: headers, as well as the envelope
sender (though we won’t worry about the latter).
https://docs.mailman3.org/projects/mailman/en/latest/src/mailman/runners/docs/incoming.html#sender-addresses
The complicate setup can work around several problems at the crossroads of
various standards, but there is no standard.
Best
Ale
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