Viktor Dukhovni via Postfix-users:
> Apparently, reading RFC5321 and RFC5322 is too tedious.
Reading RFCs is so old-school. It's much easier to be ignorant.
Wietse
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> On Apr 8, 2023, at 13:15, Viktor Dukhovni via Postfix-users
> wrote:
>
> On Sat, Apr 08, 2023 at 12:16:30PM -0700, Doug Hardie via Postfix-users wrote:
>
Are there any others and how close am I?
>>>
>>>
>>>
On Sat, Apr 08, 2023 at 12:16:30PM -0700, Doug Hardie via Postfix-users wrote:
> >> Are there any others and how close am I?
> >
> >
> > https://www.iana.org/assignments/mail-parameters/mail-parameters.xhtml#mail-parameters-7
>
> Wow, I never would have guessed there would be that many.
> On Apr 8, 2023, at 11:59, Viktor Dukhovni via Postfix-users
> wrote:
>
> On Sat, Apr 08, 2023 at 11:51:06AM -0700, Doug Hardie via Postfix-users wrote:
>
>> A couple of questions. Looking in the postfix generated Received:
>> header, the SMTP id often has a few other letters included:
On Sat, Apr 08, 2023 at 11:51:06AM -0700, Doug Hardie via Postfix-users wrote:
> A couple of questions. Looking in the postfix generated Received:
> header, the SMTP id often has a few other letters included: ESMTPA
> etc. I am guessing that the extra letters mean:
>
> E - EHLO used
