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Old 08-16-2003, 02:16 AM   #1
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Registered: Aug 2003
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how to test on open relay?

hey guys, i wanna know if there is some online stuffs for testing open relay of my rh9. i have enable sendmail but don't know how to test for open relay on it.
Old 08-16-2003, 04:06 AM   #2
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Distribution: Debian Etch, OS X 10.4
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no software neccessary, just try to send an email from outside the relay, to someone else outside the relay eg: if your relay is, telnet to your mailserver(from an outside connection) and attempt to send a message to, if it gets through then you have an open relay.
Old 08-16-2003, 05:17 AM   #3
Registered: Aug 2003
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or check those links: -> tests for open relay -> tests for open relay -> tests for open proxy relaying

cheers, mule


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