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I have recently installed SUSE 10 and wanted to set it up as a mail server for our internal network. I computer only has one network card and I can't seem to get the firewall to open the proper port. When I type netstat -l it shows two rules for smtp both are the same.
tcp localhost:smtp *.* LISTEN
Should there not be a rule like tcp *:smtp *.* LISTEN ? I have enabled mail server on the external interface in Yast under firewall but it does not change any of the rules. Is there something in Postfix that needs to be changed or is the SUSE firewall not working properly because I only have one nic? I can telnet localhost 25 but I cannot telnet realip 25. Any help would be great!
I had done what you suggested and it didn't seem to help but then I uncommented the mynetworks = and added my network range and everything seems to be working now. Thanks for your help though. The SUSE postfix config file is a little wierd with a lot of the config at the very end of the file. Here was my working main.cf file. Hope this might help if anyone else has problems.