I hate Google for effectively destroying the ability to self host an email server. You simply can't anymore. I mean, feel free to try, but be prepared to have half of your outbound messages dropped or rejected. And that's AFTER setting up SPF, DKIM, and DMARC.

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@twylo fuck them with a knife. Depending on your definition of self-hosting, it can be made a bit better by switching providers. After years of deliverability problems on my server (spf, dkim etc) i accidentially sent an email to a test gmail account from a barely configured AWS EC2 instance. No spf, i doubt it even had matching PTR. Right to my inbox.

So your IP range matters. I did not want to route my personal data to Amazon, but setting up a smarthost at Linode helped.

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