Title: Message
I have two sendmail boxes that are front-end servers for my Exchange server. 
 
Yoda has a MX value of 10. 
Skywalker has a MX value of 20.
 
Under normal circumstance all mail comes in through Yoda and all mail is Sent through SkyWalker.  They both take over each others roles if one fails though.
 
I have SpamAssassin installed on Yoda but not SkyWalker.  I'm receiving spam and it is going through SkyWalker.  Has anyone ever heard of spammers purposely avoiding the higher MX value?  It doesn't appear that any non-spam is coming in through SkyWalker.
 
 
Steve Evans
Computing Services
(619) 594-0653
 
 

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