Returned mail: see transcript for details

The original message was received at Sun, 18 Feb 2007 12:03:03 -0800
from [220.225.34.18]

   ----- The following addresses had permanent fatal errors -----
service1stphonecard_at_gmail.com
    (reason: 552 5.7.0 Illegal Attachment u6si7357607pyb)
    (expanded from: <service_at_1stphonecard.com>)

   ----- Transcript of session follows -----
... while talking to gmail-smtp-in.l.google.com.:
>>> DATA
<<< 552 5.7.0 Illegal Attachment u6si7357607pyb
554 5.0.0 service1stphonecard_at_gmail.com... Service unavailable

attached mail follows:

Your message was undeliverable due to the following reason(s):

Your message could not be delivered because the destination server was
unreachable within the allowed queue period. The amount of time
a message is queued before it is returned depends on local configura-
tion parameters.

Most likely there is a network problem that prevented delivery, but
it is also possible that the computer is turned off, or does not
have a mail system running right now.

Your message was not delivered within 6 days:
Host 121.26.167.46 is not responding.

The following recipients did not receive this message:
<service_at_1stphonecard.com>

Please reply to postmaster_at_1stphonecard.com
if you feel this message to be in error.