Email Open Relay

Overshard

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Feb 15, 2008
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#1
It seems when the email is setup to only relay for a certain network in my case 10.10.10.0/24 it went ahead and acted as an open relay even though i had specified just my network.

Does this mean that the Elastix relay configuration does not work or am I doing something wrong?

Thanks
 

vlad

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Nov 15, 2007
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#2
You can edit the /etc/postfix/access and add o remove nets to relay after edit the file, apply the change with "postmap /etc/postfix/access"
 

Overshard

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#3
Why is open relay not turned off be default? This is a pretty big security vulnerability.
 

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