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At the last meeting, I asked about setting up my postfix mail server so that I can securely send mail from my laptop remotely, using some kinda SMTP authentication. The advice I got was to not do that, but set up an openvpn connection between my server and my laptop. I got the VPN working, but I couldn't send mail, because it said "relay denied". A little poking led me to add the VPN IP address to the $mynetworks variable in the postfix config file, and now it all works. Oh, for bonus points, I set up Firefox to use "mail.thekramers.net" for SMTP. Then I use SUSE's SCPM (System Configuration Profile Manager) to switch between two versions of /etc/hosts, one that maps mail.thekramers.net to my server's internal card, and one that maps mail.thekramers.net to the VPN address. Way cool. Thanks. Is there any security risk from using the default port and IP address for VPN, or should I change it to something more obscure? -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
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