I've set up a raspberrypi with Postfix as a home email server (an experimental project); I'm using a dynamic DNS provider to link to my domain name.
I can send emails out from my raspberrypi Postfix mail server, and these are successfully delivered e.g. at my gmail account. When I reply to the received email, an error is returned: "The recipient server did not accept our requests to connect. "
Does Telstra not permit this set-up, or is the error something to do with my server and/or DDNS setup?
Thanks very much - Steven.
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Have you set up Port forwarding in your modem to allow the incoming connection?
Also, don't use Port 25, use Port 587
Hi, thanks for the quick response.
I had port forwarded 25, not 587; now added 587 and still no joy.
I'm following this tutorial (and have completed steps #1 and #2):
Thanks again for any further pointers you may have.
Hey _spc_, thank you for your post.
I am sorry for the troubles with this one, give our nbn tech team a call on 1800 834 273 and we will help configure this for you.
Please let me know how you go.
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Port 25 is blocked by ISPs and port 587 is not blocked. If you have a 4GX modem do you have a business service. If you have a normal broadband service the modem will not have a public IP and your mail server will not work