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-   -   how can I make postfix more secure? (

ziggie216 11-13-2003 01:39 AM

how can I make postfix more secure?
right now it seems like anyone can telnet into my server and send out. Is there a way so it will require authentication? or maybe only a certain range of ip can connect?

ugob 12-04-2003 11:10 PM

Yes. You should only allow your internal network to connect. By default, it is configured that way. To test out, try to connect from the internet and try to send an e-mail to a domain that is not hosted on this machine. You should get a relay_denied error. If it relays, you must do something to prevent relaying. See /etc/postfix/

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