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How to setup plesk as backup mailserver

Discussion in 'Plesk for Linux - 8.x and Older' started by schatje, Sep 6, 2005.

  1. schatje

    schatje Guest

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    How to setup plesk as backup mailserver if primary MX does not reached (down)

    Example:
    I have one domain.com hosted in psa, but not include mail, sometime my mailserver is down (cause powercut), so i want make a backup mail server on my psa, if primary MX is down, all email will be queue in psa, and if primary MX is up, all email already queued on psa will be transfered by qmail in psa

    Thanks...
    Schatje
     
  2. jamesyeeoc

    jamesyeeoc Guest

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    Backup Mail MX Store And Forward

    Your statement: "all email will be queue in psa", it will be Qmail doing the storing, not PSA

    Your statement: "sometime my mailserver is down (cause powercut)", UPS's are not that expensive

    Procedure / Rationale:

    Need to add 2nd MX record to domain's DNS.
    - do this in the control panel

    Need to leave Plesk settings for the domain the same (ie. do not turn on Mail functions)

    Need to modify Qmail control files directly using SSH root login. Use a LINUX editor, not a Windows editor!!

    /var/qmail/control/smtproutes
    - if the domain is not already listed, then add it to this file
    - this will tell Qmail where to send the queued messages for the domain
    - one domain per line, example: somedomain.tld:ip.add.re.ss:25
    - 3 pieces of info separated by colon characters, no spaces, lowercase.

    /var/qmail/control/rcpthosts
    - if the domain is not already listed, then add it to this file
    - if the domain is not in this file, Qmail will reject messages for this domain
    - one domain per line, example: somedomain.tld
    - self explanatory

    /var/qmail/control/virtualdomains
    - if the domain is listed in this file, remove it
    - if the domain is listed, then Qmail will try to deliver the messages to Maildir on the local server
    - we do not want local delivery to Maildir

    For additional information, please use the forum search, I and others have posted about this numerous times.

    This basic procedure should be the same on any Qmail driven server regardless of Plesk usage or not.

    References:
    http://forum.plesk.com/showthread.php?threadid=26113&highlight=store+AND+forward

    http://forum.plesk.com/showthread.php?postid=116951#post116951

    AtomicRocketTurtle's Project Gamera (parts)
     
  3. schatje

    schatje Guest

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    Yes.. i mean qmail in my server installed psa :D

    In my place powercut sometimes is one day, soo bad :eek:

    Thanks for your info, before i am ask, i was try 2 step (step 1 and 2) but i dont remove the domain from /var/qmail/control/virtualdomains so all email is delivered local

    And now its working

    Schatje
     
  4. jamesyeeoc

    jamesyeeoc Guest

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    Glad to hear it's working.
    Ouch! Then a UPS to handle that time would cost a bit more. I think I have one personal server who's Leibert UPS+batteries shows estimated runtime of almost 4000 minutes (60+ hours), I do wish I could put the same on all the servers, but would cost too much for the extra battery packs :) But DataCenters usually have backup generators as well, so I cannot justify the extra cost...
     
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