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Backup MX help
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Backup MX help

proxieproxie Member

Hello,

I've got a spare VPS server which is currently serving as a secondary DNS server however I'm wanting to setup my own backup mx server so if my main one goes offline emails will get delivered to this server then passed over when my main server comes back online.

Preferably I would like to just set the records and then the system automatically add the domain the system rather than manually set each domain up.

Any help is appreciated

Thanks,
Anthony

Comments

  • kingpinkingpin Member
    edited July 2016

    FWIW you could as well use http://backupmail.org.uk/index.html

    But seems that having secondary MX set is not at all a good idea.

    https://blog.zensoftware.co.uk/2012/07/02/why-we-tend-to-recommend-not-having-a-secondary-mx-these-days/

    Thanked by 3Droid proxie yomero
  • edited July 2016

    @proxie said:
    Hello,

    I've got a spare VPS server which is currently serving as a secondary DNS server however I'm wanting to setup my own backup mx server so if my main one goes offline emails will get delivered to this server then passed over when my main server comes back online.

    Preferably I would like to just set the records and then the system automatically add the domain the system rather than manually set each domain up.

    Any help is appreciated

    So what is your question? Or this just a general, "please serve it to me on a platter"?

    Thanked by 1rm_
  • JarryJarry Member
    edited July 2016

    @kingpin said:
    ...But seems that having secondary MX set is not at all a good idea.

    https://blog.zensoftware.co.uk/2012/07/02/why-we-tend-to-recommend-not-having-a-secondary-mx-these-days/

    "...secondary records usually point to email servers that deploy little or no security checks..."

    And this should be the sole reason for not having backup MX???

    Thanked by 1rm_
  • proxieproxie Member

    @globalRegisters said:

    @proxie said:
    Hello,

    I've got a spare VPS server which is currently serving as a secondary DNS server however I'm wanting to setup my own backup mx server so if my main one goes offline emails will get delivered to this server then passed over when my main server comes back online.

    Preferably I would like to just set the records and then the system automatically add the domain the system rather than manually set each domain up.

    Any help is appreciated

    So what is your question? Or this just a general, "please serve it to me on a platter"?

    Just some help, if any knows of a good way of setting this up and has done it in the past that could recommend products or which way to configure it etc..

  • OnSebastianOnSebastian Member
    edited July 2016

    Depending on how many domains and mail accounts you are using, checking out Mailcow would be a good idea.

    Benefit: Even as Backup MX all incoming mails will be checked for spam and blacklists.

    Downside: you need to create all domains and email addresses that you want to receive backup mx manually (maybe this has been changed with 0.14 but didn't read the patch notes yet).

    https://github.com/andryyy/mailcow

  • edited July 2016

    @proxie said:
    Just some help, if any knows of a good way of setting this up and has done it in the past that could recommend products or which way to configure it etc..

    You would set up the backup mx server with the identical configuration as the primary mx.

    Then you add the backup mx to the dns configuration but with a higher numerical priority number than the primary mx.

  • yomeroyomero Member

    @kingpin said:
    FWIW you could as well use http://backupmail.org.uk/index.html

    Was toying with this, and it's broken when trying to add a zone.

  • @globalRegisters said: You would set up the backup mx server with the identical configuration as the primary mx.

    Then you add the backup mx to the dns configuration but with a higher numerical priority number than the primary mx.

    That's the easy part. What about having the primary MX pull (or maybe backup MX push?) accumulated emails after primary MX is back online?

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