Dear Sir /Mam,

                             We dowonlaod the trial version of exchange 2013 where we install excnage but we are facing on to build cirtificate ,Where as our send mail and received mail is not working 

Thanks And Regards ,

Mukesh Kumar

Hi Mukesh,

Follow these guides to request and configure Exchange Certificate for Exchange 2013.

Exchange 2013 SSL Certificates CSR Creation Help

https://www.digicert.com/csr-creation-microsoft-exchange-2013.htm

SSL Certificate Installation for Exchange 2013

https://www.digicert.com/ssl-certificate-installation-microsoft-exchange-2013.htm

The following topics explain how to use certificates:

https://technet.microsoft.com/en-us/library/gg502577(v=exchg.141).aspx