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Enterprise Software Thread, Adding a second email domain to Exchange 2010 in Technical; Hi all; Think I have got my head round this almost, but if fellow edugeeks can sanity check I would ...
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    Adding a second email domain to Exchange 2010

    Hi all;

    Think I have got my head round this almost, but if fellow edugeeks can sanity check I would be most grateful:

    School went academy status early this year, so SMT wished to have a shorter email address, this is at the moment @myschool.surrey.sch.uk.

    I have bought from 123.reg a domain called @myschool.co.uk

    We use our email through smarthosts, antispam etc by our ISP. They have given me the MX records that I need to put into 123.reg control panel,ok with all of this except:

    What do I put for the A record that points to my Exchange 2010 server? instincts tell me it should still be mail.myschool.surrey.sch.uk since it's pointing to the external IP address for my Exchange 2010 server at present. is this best prectice and would this effect SPAM lookups since mail records might not match? Or do I need to plan on changeing this to mail.myschool.co.uk for my Exchange Server?

    Also once this is done I presume I need to:

    a) Add myschool.co.uk as an authoritive domain in hub tranport
    b) add an email address policy so users have the correct email domain and format and a new defualt reply address

    The other thing that I might have done easier was to find a way of entering the new address to exisiting users in Exchange EMC , we did it manually, but it was only 150 mailboxes

    Thanks all
    Last edited by MrWu; 4th August 2012 at 09:46 PM.

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    bart21's Avatar
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    steps A and B are correct.

    providing existing users have the update email address according to email address policy tick box selected the addresses should update when the email address policy is applied to them.

    nick

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    MrWu (4th August 2012)

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    twin--turbo's Avatar
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    so long as there is an a record somewhere for a host pointing to your IP , and the MX points to that A record then they can be whatever ..

    You could get google to create myschool.google.com -> to your server IP.
    And have your MX as myschool.google.com

    The names are fairly irrelevant so long as the MX can resolve to a realy IP.

    123 REG CONTROL PANNEL IS A BIT BROKEN!!!! MX's usualy stuff up

    Rob

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    MrWu (4th August 2012)

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    Quote Originally Posted by twin--turbo View Post
    so long as there is an a record somewhere for a host pointing to your IP , and the MX points to that A record then they can be whatever ..

    You could get google to create myschool.google.com -> to your server IP.
    And have your MX as myschool.google.com

    The names are fairly irrelevant so long as the MX can resolve to a realy IP.

    123 REG CONTROL PANNEL IS A BIT BROKEN!!!! MX's usualy stuff up

    Rob
    Cheers, so still ok to use myschool.surrey.sch.uk as an A record for the moment ?

    I go through the advanced tab on the DNS control panel for 123.reg and added the MX records ... is there anything I need to watch out or?

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    No, you can leave both MX records and A records so you can continue to receive emails for both SMTP domains.

    point a) above, you dont need to set it as authorative, it's not required, the default is your internal domain name, all you need to do is make sure it's an accepted domain.

    Don't forget the other stuff like SPF & PTR records.

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    MrWu (4th August 2012)

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    twin--turbo's Avatar
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    Quote Originally Posted by MrWu View Post
    Cheers, so still ok to use myschool.surrey.sch.uk as an A record for the moment ?
    Yeah, should be fine.
    I go through the advanced tab on the DNS control panel for 123.reg and added the MX records ... is there anything I need to watch out or?
    watch out for it simply not working,

    I use UKreg but have customers on 123..

    I can only ever get it to be sort of reliable if you go to the "Old Control Panel" which can be found of the advanced page. And not setting anything in the main advanced page. .. Updates take ages sometimes.

    Rob

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    MrWu (4th August 2012)

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    twin--turbo's Avatar
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    Quote Originally Posted by MrWu View Post
    Hi all;
    The other thing that I might have done easier was to find a way of entering the new address to exisiting users in Exchange EMC , we did it manually, but it was only 150 mailboxes

    Thanks all
    If you apply an addressing policy to a set of users it SHOULD update their addressing, although we have seen this NOT work. There is an option to ignore policies.

    Rob

  12. Thanks to twin--turbo from:

    MrWu (4th August 2012)



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