Subject: Returned mail: see transcript for details

From: "Automatic Email Delivery Software" <[email-masked]>
Date: Fri, 6 Apr 2012 20:31:42 +0700

WARNING: contains banned part

Subject: Returned mail: see transcript for details
From: "Automatic Email Delivery Software" <[email-masked]>
To: [email-masked]
Date: Fri, 6 Apr 2012 20:31:42 +0700

The original message was received at Fri, 6 Apr 2012 20:31:42 +0700
from 17.141.206.20

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

----- Transcript of the session follows -----
... while talking to ietf.org.:
554 <[email-masked]>... Mail quota exceeded
554 <[email-masked]>... Service unavailable