A HAPPY THREAD - NO DOOM, GLOOM OR CREDIT CRUNCH MENTIONED!
I get it returned 
with, in the case of the above,
This is the AVG E-mail Scanner program.
I'm sorry to have to inform you that the message returned
below could not be delivered to one or more destinations.
The e-mail server has responded with the following error:
---------------------------------------------------------------
DATA: 5.7.1 Message contains spam or virus : 5968:4057537456|E238
-------------------------------------------------------------------
Your e-mail message is being returned to you in the next part of this
message. Try to send the message again.
Should you need assistance, please contact your administrator or your
Internet service provider.
You can also verify e-mail client's settings, for instance:
- whether your SMTP autentization has been configured
- whether you have provided correct SMTP server name
- whether the sender's address responds to the used SMTP server domain