> I guess what I'm trying to understand is why anyone would
> base their acceptance or rejection on the 822 From: header.
> It seems that this causes mailing list managers to have to
> jump through hoops to rewrite the From: header in strange ways.
Mostly because there are other reasons to
> You demonstrated the need for a flag day when you stated that
> the ESPs need to give the ISPs "a hint" that things are
> changing. Expecting every ESP to contact every ISP is ridiculous.
No, what he said was that ESPs *could* give a hint. All RFCs and IETF
recommendations are just that -
+1. This was what I was thinking when I read it, too.
-S
> -Original Message-
> From: mailop [mailto:mailop-boun...@mailop.org] On Behalf Of
> John Levine
> Sent: Thursday, June 09, 2016 09:11
> To: mailop@mailop.org
> Cc: tobias.herk...@optivo.de
> Subject: Re: [mailop] "One-Click"
> You're saying that, simply because a sender or recipient
> MIGHT be in Germany, that my US-based mail server has to send
> an NDR? And risk getting added to a "backscatter" RBL?
No, you also have the option of delivering it to the user in a method
that equates to delivery, such as delivering
