still_new
Joined: 20 Jan 2006
Posts: 1
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 Posted:
Fri Jan 20, 2006 7:51 am Post subject:
Migrate from external POP server to Exchange 2003 |
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Hi,
am working on the migration but unclear about the DNS MX record switching:
Currently, our mail server (mail.mycomany.com) is hosted externally, is a POP3 server.
the MX record is something like
Hostname: mail.mycomany.com
IP: 123.456.789.100 (belongs to machine in the email hosting company)
The internal exchange server is setup but how do I request to change the mx record:
Hostname:
??? (don't know, there is nothing in the exchange specify that this server is mail.mycomany.com
IP:
888.888.888.100 (belongs to our company internet router with ISP)
What should be the host name? Is it the Active directory domain name configured as: mycomany_AD.mycompany.com?
Thank you very much.
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acox65807
Joined: 15 Feb 2009
Posts: 3
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Sun Feb 15, 2009 2:58 pm Post subject:
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You need to talk to who ever is hosting your external DNS and ask for a mx record to your mail server host name (I usually use mail.domain.com) and an A record (same company) that maps the ip to the MX host. You then talk to your ISP and request a PTR record for A and MX record.
You typically will want to use a public IP in your given range by your ISP and configure your firewall to allow port 25 and for OWA.. port 80 or 443 (if you use a valid certificate).
Alan L. Cox,
MCSE: Messaging, MCITP: Enterprise Messaging Administrator |
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