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ingaljo1

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Change SMTP Domain in SBS 2011

I am currently working with a customer that is hosting their own email account on SBS 2011.  They have an SSL configured and are also using it for remote access.  They are interested 2 changes.
1.  Changing from existing .co to a new .com email address
2.  Using Godaddy Email Hosting with Pop3 Connector (and no longer hosing their own email)

I have created the new email accounts on the GoDaddy email portal and setup the Pop3 Connectors to drop the new mail into their existing local exchange boxes.  I am going to leave the SSL Cert in place and they'll continue to use their old Domain name for remote access.  My question is, Can I change the current default SMTP address from the .co to the new .com one.  Or add the new .co one so they can co-exist until they're all converted.  I modified one test account already using the Exchange Management Console. I set the new one to the default and I am able to Send emails out using the new SMTP address.  The Pop 3 connector is failing however with the following error:  "An error occurred while delivering mail to 'user@domain.com' on the SMTP server 'localhost'.  Verify the Exchange Receive connectors are configured properly.
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David Atkin
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After writing that out I came across this:

http://sbs.seandaniel.com/2008/10/hosting-multiple-domains-on-sbs.html

Explains it a little better than me.
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ingaljo1

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Thank you very much for the insight David.  I'll try this and update the status.. I do like having the domain  hosted locally however, I like the flexibility of GoDaddy holding the email in case of an outage, additional spam/virus filters as well as avoiding black list issues.  I've taken many steps to avoid getting emails rejected (reverse dns, static ip, etc) but it still falls through the cracks.. I'll keep you posted and thank you again..

Joe
Hi Joe,

If you're worried about black lists and viruses etc then I would suggest looking at an email filtering option.  Basically you're emails are routed through a third party email filter prior to hitting your server.  Your outbound emails can also be routed through the service so this will help with blacklist issues.  In addition to that, most services offer an email continuity service so that if your local exchange server is down the emails are spooled with the provider until your server is back online.

I'd recommend Spambrella for this service.  They are a partner of McAfee MXLogic.

Best of luck.
Nailed my problem exactly and gave me great feedback on next steps
David is right on the money...going back to POP3 would be huge mistake.
If you want a service that will hold the email incase SBS is down...there are several.  ExchangeDefender is a great one and you can even access the email while your server is down.  They also filter the mail for you.   This is not POP3...It's all exchange.  

If you're concerned about mail going out having an issue, use a smart host and your mail would be delivered through them