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  1. #1
    Join Date
    Jun 2002
    Location
    Arcadia, CA
    Posts
    148

    How do you do multiple MX records?

    Okay, I've decided to do mail for a couple of my own domains. I have a question about that though. I guess I don't understand how multiple MX records work. I know I must be thinking this out wrong, so please correct me.

    If my main mail server goes down for a few minutes and email is is sent to the secondary mail server (the other MX listing) during this time, how does that help? I won't be getting the mail anyway if it's sitting on a different server from my main one. How am I thinking this out wrong?

    Thanks in advance...
    Last edited by ccole; 10-22-2005 at 08:14 PM.
    http://www.colehosting.com - Custom web development
    http://www.backupbus.com - Instant backups with rsync, FTP, VPN, etc.

  2. #2
    Join Date
    Apr 2003
    Posts
    356
    You would setup your mail servers by number order, lower the higher priority it has. So your main server would be 10, backup 20 and so on.

    mail.domain.com mx 10
    mailbackup.domain.com mx 20

    If you have the backup mail server setup correctly it will send the mail back to your main server once it goes back online.

  3. #3
    Join Date
    Jun 2002
    Location
    Arcadia, CA
    Posts
    148
    Ahh, that is what I was looking for. I understand all that about priority, I just didn't know that you could setup your mail server specifically as a backup server and have it automatically send the mail back to your main mail server.

    I use Qmail w/ vpopmail for my main mail server currently. Anybody know of any good howtos or something to setup a backup mail server? Yes, I know I can google it, but some howtos are better than others, so hopefully someone can suggest a good/easy one.

    Thanks!
    Last edited by ccole; 10-22-2005 at 09:08 PM.
    http://www.colehosting.com - Custom web development
    http://www.backupbus.com - Instant backups with rsync, FTP, VPN, etc.

  4. #4
    Join Date
    Dec 2004
    Location
    Canada
    Posts
    1,082

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