On 7/17/23 4:49 PM, Reindl Harald wrote:
Alias expansion does this

is not a mailing list

What definition are you using for a mailing list?

Do you consider Majordomo to be a mailing list?

Because as far as I'm concerned, alias expansion in the MTA is where mailing lists originated.

in the real world i was subsribed the past 15-20 years to at least 30 mailing-lists

That's all?

I still have email for more than 200 different mailing lists that I've been subscribed to over the last 20 years.

* not a single one used the senders envelope - period

I've seen way too many use the sender's envelope. Thankfully it's not nearly as common in the last decade as it was before.

* we have 2023 - period

* you can't send to gmailif you don't have SPF - period

I've had SPF for much longer than Gmail wanted it or DKIM.

But it is my understanding that you can send to Gmail with just DKIM.

I hope that we can agree that simply having an SPF record isn't necessarily the same as using SPF; "ip4:0/0" and / or "+all" isn't really having SPF.

and yes i get sick an tired from customers don't hosting mail on our servers with complaints of rejected mails to gmail users quoting the following:

host gmail-smtp-in.l.google.com[74.125.133.26] said:
550-5.7.26 This mail is unauthenticated, which poses a security risk to the
550-5.7.26 sender and Gmail users, and has been blocked. The sender must
550-5.7.26 authenticate with at least one of SPF or DKIM. For this message,
550-5.7.26 DKIM checks did not pass and SPF check for

There you go; "at least one of SPF or DKIM". So by Google's own message, you can send to them without SPF /if/ you have DKIM.

in the past 15 years?
name them!

I don't remember the exact mailing lists, it was 5-10 years ago. They have since changed.

It was multiple lists with an organization that I think should have known better. The IETF comes to mind.



Grant. . . .

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