550 Unrouteable address

Alessandro Vesely <[email protected]> Thu, 5 Mar 2026 13:05:32 +0100

Newsgroups	gmane.mail.imap.courier.general
Message-ID	<[email protected]>

Hi all,

does anyone have any idea what this bounce means?  I got this:

<[email protected]>:
      mail.arattelekom.com [45.67.155.11]:
  >>> RCPT TO:<[email protected]>
  <<< 550 Unrouteable address

and so:

Final-Recipient: rfc822; [email protected]
Action: failed
Status: 5.0.0
Remote-MTA: dns; mail.arattelekom.com [45.67.155.11]
Diagnostic-Code: smtp; 550 Unrouteable address


Best
Ale
-- 








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