I admit that I did a bit of confusion. I tested their server with an email I created with them, and once and without authentication.

Anyway now I tried to telnet the port 25 of their mx domains and It's reachable but I don't receive the message "220 ...",and then they close the connection after I digit "HELO myddnsdomain".

This is one reason I should read that book ;)


Il 08/01/21 17:03, Kai Bojens via Exim-users ha scritto:
Am 08.01.21 um 14:11 schrieb Ale via Exim-users:

Could you give me some advice, some documentation that I could use to fix or better understand this please?

Do you want to use smtp.tiscali.it as a relay for sending mails? Port 465 would then be the way to go as it is preferred over port 25 for relaying mails. Don't forget to include client authentication.

If you want to send mails to users within the tiscali.it domain you're mistaken - their mx servers are not "smtp.tiscali.it". You can check for them with "dig".


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