public static LicenseIdentity GetLicenseIdentity(RmsClientManagerContext context, string recipientAddress) { ArgumentValidator.ThrowIfNull("context", context); ArgumentValidator.ThrowIfNullOrEmpty("recipientAddress", recipientAddress); ADRawEntry adrawEntry; try { adrawEntry = context.ResolveRecipient(recipientAddress); } catch (ADTransientException innerException) { throw new ExchangeConfigurationException(ServerStrings.FailedToReadUserConfig(recipientAddress), innerException); } catch (ADOperationException innerException2) { throw new RightsManagementException(RightsManagementFailureCode.ADUserNotFound, ServerStrings.FailedToReadUserConfig(recipientAddress), innerException2); } if (adrawEntry == null) { throw new RightsManagementException(RightsManagementFailureCode.ADUserNotFound, ServerStrings.FailedToReadUserConfig(recipientAddress)); } List <string> federatedEmailAddresses = RmsClientManagerUtils.GetFederatedEmailAddresses(context.OrgId, (ProxyAddressCollection)adrawEntry[ADRecipientSchema.EmailAddresses]); if (federatedEmailAddresses.Count == 0) { RmsClientManager.TraceFail(null, context.SystemProbeId, "GetLicenseIdentity: User {0} doesn't have any SMTP proxy address from a domain that is federated.", new object[] { recipientAddress }); throw new RightsManagementException(RightsManagementFailureCode.ADUserNotFederated, DirectoryStrings.UserHasNoSmtpProxyAddressWithFederatedDomain); } return(new LicenseIdentity(federatedEmailAddresses[0], federatedEmailAddresses.ToArray())); }