"Backup" MXs still have use if you like to do certain kinds of spam analysis... Or did.
Aloha, Michael. -- Sent from my Windows Phone ________________________________ From: Dave Warren<mailto:[email protected]> Sent: 3/1/2015 11:15 PM To: [email protected]<mailto:[email protected]> Subject: Re: [mailop] Multiple mail server setup On 2015-03-01 17:56, Rich Kulawiec wrote: > On Sun, Mar 01, 2015 at 10:47:12PM -0000, John Levine wrote: >> By the way, why do you have a backup MX? [snip] > He's right. There's no reason for this anymore. All MX's should > be precisely equivalent in terms of their accepted email addresses > and their anti-spam rulesets. The primary tools of competent, > professional system administrators are your friends here: use > make, rsync, and friends to ensure that they're kept identical > at all times...and use things like virtusertable entries to handle > the internal plumbing necessary to route mail as needed. > While I agree, it may still be advantageous to have inbound email come to one server over another, so it's not inherently wrong to consider one a "backup", as long as the configuration is functionally similar. But the traditional "just accept everything" backup, as a concept, needs to go away. -- Dave Warren http://www.hireahit.com/ http://ca.linkedin.com/in/davejwarren _______________________________________________ mailop mailing list [email protected] http://chilli.nosignal.org/mailman/listinfo/mailop
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