> We have the same thing, except that we have an sender and a 
> subject. Are the spammers to stupid to send mails or is it a 
> technical porblem?

I asume this is something like a verification and DB cleanup mailing. We can
also see this typ of messages in the last days/weeks.

The idea behind could be that spam without any content would not be easy
detecteable as spam and so pass the filters. If there is any NDR from such a
mailing this will mean that the recipients address is realy not more
existant. If there is no NDR spammers will keep this address in the list and
will continue the bombardement.

Just an idea... I don't know if it's realy so, but I hav no other
explanation.

Markus



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