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how do I
Mr_Cheese wrote: theres a few programs that can do it.
theres Free SMTP Server .. which is free IF you send under 10 emails a day.
if you googled for your question, you would find plenty results and downloads. Most you have to pay for though. hmm cheese, what about the linux options?
to the op, check out Sendmail for the linux platform, is 'free' of course
check through there, tos of scripts for email servs