relay test

[adler at stephenadler.com (Stephen Adler)]

Guys,

I've setup a system which has a static IP address connected to the 
internet through my local comcast business Internet access service. I've 
gone through the motions of setting up sendmail to accept e-mail from IP 
addressed other than localhost. What I don't want to do is allow 
spammers to use my system to relay their e-mail. How do I test to make 
sure I haven't by accident turned on mail relay to be abused by spammers?

Thanks. Steve.


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