OT question, can return-path be customized by sender MTA/MUA? Or must it  be 
envelope?

July 6, 2024 at 1:45 AM, "Mark Fletcher" <ma...@corp.groups.io> wrote:



> 
> On Fri, Jul 5, 2024 at 5:31 AM Jeff Pang via mailop <mailop@mailop.org>
> 
> wrote:
> 
> > 
> > When an user requests to join mailing list, which address should we
> > 
> >  take? The envelope address, or the header From address?
> > 
> >  For email subscriptions, we use the header From address.
> > 
> 
> For email to a list, we look at the header From, Reply-To and then envelope
> 
> address, in that order, to determine if they are a subscriber.
> 
> Cheers,
> 
> Mark
>

Jeff Pang
jeffp...@aol.com
_______________________________________________
mailop mailing list
mailop@mailop.org
https://list.mailop.org/listinfo/mailop

Reply via email to