Re: [Emailcore] Return-Path and Delivered-To issue

[Claus Assmann <[e-mail]>]

On Tue, Jan 05, 2021, Alessandro Vesely wrote:

>    When the delivery SMTP server makes the "final delivery" of a
>    message, it inserts a return-path line at the beginning of the mail
>    data.

> Although the reasons for doing so are well explained, and are part of SMTP
> because of the reliability implications, inserting Return-Path: really looks
> like an MDA's job, not MTA's.  Perhaps, the text should say something like:

sendmail has an option for this:

   5.4.  M -- Define Mailer
...
      P  This mailer wants a "Return-Path:" line.

i.e., the MTA can provide that line for/to the MDA.

Hence: please do not change the text.

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