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So I am trying to set up a catchall forwarder using postfix on a pi using my own domain name and a ddns service.

I followed this guide https://notepad.patheticcockroach.com/2762/how-to-simply-create-a-catchall-e-mail-and-forward-all-e-mails-to-another-address-in-postfix/

The https://pingability.com/ site it suggests using returns SocketTimeoutException error

Through a VPN and telnet I know that the correct ports are open and the server is reachable through the DDNS

I am also successfully running a web server on the same pi with ssl certificates using certbot.

I can only think it's an issue with the postfix settings, but I have quadruple checked everything in the tutorial and I can't see any steps I missed or got wrong.

What should I be checking?

David Greenberg
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  • Hi David, you don’t really say what the problem is (except Pingability is returning some kind of error, but you don’t mention what it is trying to connect to when it displays this error). Can you maybe give some better idea what specific errors you’re seeing? If you provide the actual mail server address (it will be a public mail server eventually, after all!) then maybe someone would even help you to test it. – fission Mar 28 '23 at 00:59

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