Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Mon, 22 Sep 2008 22:37:27 +0400 (MSD)

The original message was received at Mon, 22 Sep 2008 22:37:21 +0400 (MSD)
from r190-64-65-108.dialup.adsl.anteldata.net.uy [190.64.65.108]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 550 5.2.1 <[email-masked]>... Mailbox disabled for this recipient)

   ----- Transcript of session follows -----
... while talking to [62.148.151.73]:
>>> DATA
<<< 550 5.2.1 <[email-masked]>... Mailbox disabled for this recipient
550 5.1.1 <[email-masked]>... User unknown
<<< 503 5.0.0 Need RCPT (recipient)