Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Mon, 11 Jul 2005 12:02:56 +0200 (MEST)

The original message was received at Mon, 11 Jul 2005 12:02:53 +0200 (MEST)
from host61-97.pool81121.interbusiness.it [81.121.97.61]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 550 Mail rejected: invalid attachment)

   ----- Transcript of session follows -----
... while talking to mail-mx-4.tiscali.it.:
>>> DATA
<<< 550 Mail rejected: invalid attachment
554 5.0.0 Service unavailable

Subject: Status
From: [email-masked]
To: [email-masked]
Date: Mon, 11 Jul 2005 12:08:56 +0200

The original message was received at Mon, 11 Jul 2005 12:08:56 +0200
from lists.ietf.org [177.148.6.65]

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

----- Transcript of session follows -----
... while talking to 103.140.52.203:
>>> RCPT To:<[email-masked]>
<<< 550 5.1.1 <[email-masked]>... Invalid recipient