Re: My provider rejects the authentication email

>>>>> On Thu, 16 Jul 2020 16:22:44 +0300, Dmitry Alexandrov <[email protected]> said:

    Dmitry> Robert Pluim <[email protected]> wrote:
    >>> Itʼs inka.de postmasters, who are wrong with their “it doesn’t make sense to do that with an email address that itself is not deliverable”.
    >> 
    >> I think inka.de are within their rights

    Dmitry> Sure.  Any postmaster in his right to misconfigure his server however he want.

Checking MAIL FROM for validity seems an eminently sensible thing to
do.

    Dmitry> But “it does not make sense for me to check whether the address exists
    Dmitry> when my own address doesnʼt accept mail” is wrong.  Gmane proves this
    Dmitry> by the fact of the own existence.

    >> to check if envelope header addresses are spoofed or not.

    Dmitry> But itʼs not spoofed!

gmane-mx.org does not exist as far as I can tell, so by definition
itʼs spoofed (or invalid if you prefer).

Robert