EXCH2013: How to leave messages at ISP server?

Using Exchange 2013 SP1 and it serves both roles. It is not in deployment yet as we are still testing. Currently we have a problem trying to receive mail (have not been able to since testing started) and we got to thinking we need a contingency plan should Exchange stop receiving mail for a period of time so that users could go to the ISP's webmail interface to see their mail. Plus, once we get the receive working we still want to have this "backup" to compare to for some period of time.

We use SMTP to send and receive mail using the  default connectors. Is there a setting to allow messages to remain at our ISP's server after they are brought into the mailboxes? 

Or is this controlled at the ISP?

Thank you!

August 20th, 2014 1:14pm

Hi

If your ISP supports spooling of mail then you can ask them. Symantec or Mcafee do it as well as Mimecast.

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August 21st, 2014 3:44am

Hi,

For the ISP server, I suggest contact your ISP Support to double confirm whether this goal can be achieved.

According to your description, I notice that you are suffering "Can't Receive" issue with the new Exchange server 2013 SP1. Please correct me if I have anything misunderstand.

Suggestions:

1. How is the impact, can't receive internally/externally or both? All external domains or some specific domains?

2. Please make sure the DNS can be solved.

3. Please make sure Port 25 is available.

4. Please double confirm the Receive Connector settings. More details to refer:

Receive Connectors

http://technet.microsoft.com/en-us/library/aa996395(v=exchg.150).aspx

5. Please check whether the external senders get NDRs, and any related Error/Warning/Information messages in App Log. If yes, please paste the details without sensitive information for the further troubleshooting.

6. Also suggest try to open a new thread on "Can't receive" issue, so that you can get more targeted suggestions.

 

Thanks

Mavis

August 23rd, 2014 8:11am

Thank you for your help. We are able to receive mail. It was a PORT 25/router issue.
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August 23rd, 2014 8:17am

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