>I was trying to determine which option should be the best to close the >open relay that my mail server has. I know I MUST do it NOW but I have a >lot of accounts created all over the world and I can not close by IP.
they you´re screwed. relay for addresses and SMTP AUTH for everybody else is the ONLY way to go for security
>what are the options relay for local users and local hosts?
useless
Len
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