Hello, 

> Probably correct; however you may wish to consider the likelihood that a 
> message with no Date:, Subject: or To: field is legitimate, and tweak its 
> spam score accordingly if outright rejection is too risky in your 
> environment (in fact I think the default SpamAssassin ruleset does add 
> some points for these occurrences, but perhaps not significantly enough 
> when all three occur at once).

I will correct the return message to be more appropriate. 

Not having a date is just too risky with the myriad of M$ vulnerabilities 
out there. 

My experience with messages with no To line is an open dictionary attack 
where spammers are fishing the system for valid user names. 

For my system, I have no false positives with this setup. 

 --- 

DynaStop: Stopping spam one dynamic IP address at a time.
http://tanaya.net/DynaStop/

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