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Re: [ietf-smtp] own mail server: DNS / static IP / no bad reputation?

John R Levine <johnl@taugh.com> Mon, 12 October 2020 20:38 UTC

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Date: 12 Oct 2020 16:38:24 -0400
Message-ID: <3d771644-efdf-7e69-9f1e-358196de08@taugh.com>
From: "John R Levine" <johnl@taugh.com>
To: "Ned Freed" <ned.freed@mrochek.com>
Cc: ietf-smtp@ietf.org
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Subject: Re: [ietf-smtp] own mail server: DNS / static IP / no bad reputation?
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> Please reread my message, this time noting the examples I gave. This goes well
> past happenstance spam sewer adjacency and into legit senders not following
> rules somebody just made up or changed.

Could you be clearer about "a single noisy neighbor sending a bit too
much mail without jumping through the necessary hoops."

I've seen individual senders blocked for being new (it was pretty comical 
what MS did when I set up a 30 day test account at O365 last month) but I 
haven't seen that block an entire IP range.  Bot spam will do that.

> Is "filter responsibly" also off the table?

Depends how much you want to pay people to accept your mail.  I don't 
think we want to go there.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly

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