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Thread: [SOLVED] Queue Incoming Mail During Upgrade

  1. #1
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    Question [SOLVED] Queue Incoming Mail During Upgrade

    Has anyone setup a Postfix server to queue up the incoming mail while zimbra is down during an upgrade? Some mail servers only try once to send mail to a recipient and give up. I need an upgrade strategy that will ensure no mail is lost.

    Thanks,
    Leo

  2. #2
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    Quote Originally Posted by leog21 View Post
    Has anyone setup a Postfix server to queue up the incoming mail while zimbra is down during an upgrade?
    Yes, it's quite simple.

    We run ASSP for spam filtering, so have a Linux machine at the perimeter. I have postfix setup to queue when I do upgrades. You only need to add 1 line in the main.cf:

    Code:
    relayhost = ip_address_of_mail_server
    And restart postfix. If it can't deliver, it'll queue until it can. To speed along the flushing, you can run postqueue -f to flush, once the upgrades are complete.

    Doug
    Ben Franklin quote:

    "Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety."

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