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this post was submitted on 10 Jun 2023
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Lemmy
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A lot of VPS providers block port 25 (and other email ports) because they don't want people to set up bot spam mail servers on their services. Could that be the issue?
I'm using a VPS with Hetzner. I'll have to look up if it's blocked. Thanks for the info.
I'm in the same boat and confirm that yes, port 25 is blocked.