Great to know this point Thanks Victor. And I think this is the reason why DMARC uses header address for DKIM/SPF not envelope address.
July 6, 2024 at 12:02 AM, "Viktor Dukhovni via mailop" <mailop@mailop.org> wrote: > > On Fri, Jul 05, 2024 at 07:45:10PM +0800, Jeff Pang via mailop wrote: > > > > > When an user requests to join mailing list, which address should we > > > > take? The envelope address, or the header From address? > > > > The envelope sender address is the address to use for bounces, SPF and > > little else. It can change in transit (e.g. SRS). Therefore, you > > should use the *header* "From:" address, which is also the address that > > replies would typically go to, ... > > The actual email address of the message author appears in the "From:" > > header, and that's the address that is requesting to join the list. > > -- > > Viktor. > > _______________________________________________ > > mailop mailing list > > mailop@mailop.org > > https://list.mailop.org/listinfo/mailop > Jeff Pang jeffp...@aol.com _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
