this post was submitted on 03 Dec 2023
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This makes me ๐Ÿ˜ญ

UPDATE: Thanks @[email protected] for this update: The issue has now been commented on and was closed by the maintainer, where they explained why those blocks would be nonsense. But it appears the OP wants to still talk with maintainer privately about it.

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[โ€“] [email protected] 2 points 11 months ago

I don't use Simplelogin so I don't know how their service works. The domains used for aliases don't need to originate email so there's no need for an SPF record. The A record for the hostname used for the MX record(s) could technically point at multiple IPs that could be changed often.

I own a significant number of domains and manage my own servers. There's quite literally no way for anyone to prevent me from using an email alias.

My point was that trying to block email aliases is a fool's errand. It's a slight hindrance to only the least technical users. The entire 7c/fakefilter project is an exercise in futility.