Date: Fri, 9 May 2003 15:31:18 -0700 From: "Drew Tomlinson" <drew@mykitchentable.net> To: "Mark Foster" <mark@foster.cc>, "FreeBSD Questions" <freebsd-questions@freebsd.org> Subject: Re: DNS and Backup Mail Server Message-ID: <018d01c3167a$b6b2d3e0$6e2a6ba5@tagalong> References: <00a601c31659$39271970$6e2a6ba5@tagalong> <1052509442.11604.8.camel@gentoo1.enic.cc>
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----- Original Message ----- From: "Mark Foster" <mark@foster.cc> To: "FreeBSD Questions" <freebsd-questions@freebsd.org> Sent: Friday, May 09, 2003 12:44 PM Subject: Re: DNS and Backup Mail Server > Your setup provides failover only if blacklamb is unavailable. Even then > it is a manual failover (requires your intervention to fix). > Even better would be to have an additional MX record of lower priority > (higher number = lower priority) that would queue the mail for you in > case of another outage. That server should be "out there" on the > Internet. Thank you for your input. I don't mind the "manual failover" aspect. It's just my own server for my own mail and receives less than 500 messages per day (most from freebsd-*). The only time it "fails" is when I'm mucking with it. :) In this case it was vinum config and I really screwed it up. > If you choose to do that, you'll need to find someone willing to do the > backup MX hosting for you. It's really easy to setup the backup. Ask a > friend. I will do that if I ever find a friend that runs a mail server. At this time most of my friends can't even figure out how to run their mail client on Windows. > Oh, and setting up postfix on blacksheep as *backup* is probably not > what you want... but I could be wrong. If the users/aliases don't exist > on blacksheep it might reject the mail. Actually I think I have this one OK as I can telnet to blacksheep on port 25 and issue mail commands to simulate mail addressed to @mykitchentable.net and it gets forwarded to blacklamb as is should. I should also mention that I've been able to do this on both the 10.2 and 1.2 interfaces. It's just that when I change the NAT entry in my router, I never see any connections initiated to blacksheep. And unfortunately the logging facilities on the 3Com are minimal so I don't know where the failure occurs. Drew
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