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joestramandinoliFlag for Australia

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Issues Receiving Emails On Second Accepted Domain

Hi,

We are having issues with our exchange server.

History -
SBS 2011 was installed and has been working very well with the initial accepted domain. The business has now expanded to another country and we have since added this domain as an additional accepted domain.

Issue -
The second accepted domain sometimes works but mainly doesn't. The initial accepted domain still works well, however, it is this second accepted domain that is causing us headaches.
When you send an email to an address in this additional domain, it will sometimes push through to the mailbox, but if it doesn't, you won't even get a bounce back message which makes it tricky to troubleshoot.

Any help will be appreciated.

Thanks
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Do you generally get NDR (Non Delivery Report)? Please make sure NDR are enabled on Exchange
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ASKER

Hi,
Yes we normally get NDR's.
Thanks
Joe
Sorry, I should also have mentioned that the issue is from external email accounts into our server intended for the second accepted domain.

Thanks

Joe
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Sorry, but what will this achieve?
Some emails go though but most don't.
I am thinking it is something to do with certificate issue as the primary accepted domain was/is working perfectly with the self appointed certificate. The second accepted domain was added to the exchange server a year after the initial one was created.
I am not sure if I am heading down the correct path but am wanting to hear of other possible causes.
Thanks
Joe
The MX details for the second accepted domain is pointing to the exchange box is that is what you are after.
Thanks
Joe
Could that be an issue with reverse DNS?
Yes... that could be. However, its very difficult to point out without any logs/information
How would one fix reverse DNS issues in a scenario like this?
I am forwarding co.nz mx info to a com.au server.
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Mahmoud Sabry
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Thanks everyone.

I am still experiencing these issues.

Are there any more suggestions?

Thanks

Joe
Anyone?
Any chance you can post your domain name?
I'm sorry, I am not really comfortable putting my domains here.

Is there any other way to check the settings?

Joe
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The business closed down so I was never able to get to the bottom of this.
Thanks for all your assistance everyone.