On Fri, Feb 7, 2020 at 7:37 AM Ralf Hildebrandt via mailop < mailop@mailop.org> wrote:
> > They answer to mails from noreply-Addresses. > > Exactly. > > > > MLMs don't use "noreply" address as well - they use their own > list-specific > > > "bounce" address as envelope-from. > > > > Yes, but Exchange/Outlook will not reply to the Envelope sender, but to > > the From: as Ralf stated. > > I've been through this many times: I set up a mailinglist on mailman > (VERP enabled), fill in all the addresses and then send my > announcement to the list. I explicitly specify a reply-to: header > which is not being stripped by the list. > > Then, shit happens. > > * I get autoreplies to my address (expected, since it's in the From: > header) > * I get autoreplies to the envelope sender address (I only see them > because I check the mailman logs) > * I get real human replies to my address (why? I explicitly specified a > reply-to: header?!) > * I get real human replies to my address and the reply-to: address > * I get crazy NDRs to my address > > So I guess that's why people just give up and use a "noreply" > address in the From:, because they cannot be bothered with the shit > mentioned above. > If you send out a billion messages, you will get millions of real human replies that have nothing to do with the contents of the email notification and are often not actionable at all. Reading and responding to those costs real money in terms of customer support. Brandon
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