The underlying connection was closed error FIM 2010

I have a fresh installation of FIM 2010 R2. After installation I am able to see FIM portal through account used for installation.
however in evenvwr I am continously getting below error. During instllation EXCHANGE team provided the address 'outlook.company.in' as the address and I selected
all option like SSL and pooling on installation screen.

Below error seems related with Exchagne but I am not able to undserstand what should I demand from exchange team.
Kindly suggest.

Error
***
System.Web.Services: System.Net.WebException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. ---> System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure.
   at System.Net.Security.SslState.StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest asyncRequest, Exception exception)
   at System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   at System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.ConnectStream.WriteHeaders(Boolean async)
   --- End of inner exception stack trace ---
   at System.Web.Services.Protocols.WebClientProtocol.GetWebResponse(WebRequest request)
   at System.Web.Services.Protocols.HttpWebClientProtocol.GetWebResponse(WebRequest request)
   at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
   at Microsoft.ResourceManagement.WebServices.Mail.Exchange.ExchangeServiceBinding.FindItem(FindItemType FindItem1)
   at Microsoft.ResourceManagement.WebServices.Mail.Exchange.MailChannel.ExchangeMailChannelListener`1.ExchangeMailListener.<OnPollTimerExpired>b__0(Boolean findUnreadItems)
   at Microsoft.ResourceManagement.WebServices.Mail.Exchange.MailChannel.ExchangeMailChannelListener`1.ExchangeMailListener.OnPollTimerExpired(Object state)
**

Thanks,
Mann