I gave up on trying to keep a local mail server off of spamhaus and similar lists and ended up getting an account at authsmtp.com to relay outbound mail through so that they can deal with the deliverability side of it. Sending 4000 messages a month is probably cheaper than the amount of time you've invested in trying to get your IP safelisted.

-jason

On Thu, Feb 21, 2019 at 10:33 AM Marc Lijour via talk <talk@gtalug.org> wrote:

Does anyone has insights about dealing with Spamhaus?

I'm getting increasingly frustrated by being listed without explanation.
I run a very low bandwidth mail server and a website for my business. I
am running postfix with SPF, DKIM, and DMARC. I'd like to know what I am
missing.

Spamhaus is very popular which in turn affects Twitter, LInkedIn, beyond
just the mail.

Is it possible to run one's own mail server this days?

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