Subject: Mail System Error - Returned Mail

From: "Post Office" <[email-masked]>
Date: Mon, 4 Jul 2005 23:49:54 +0200

The original message was received at Mon, 4 Jul 2005 23:49:54 +0200 from 124.233.160.131

----- The following addresses had permanent fatal errors -----
[email-masked]

----- Transcript of the session follows -----
... while talking to 3.99.195.207:
>>> RCPT To:<[email-masked]>
<<< 550 5.1.1 <[email-masked]>... Invalid recipient