//Create email alias
AddAnAlias.svcAliasAdminSoapClient svcAddAlias = new AddAnAlias.svcAliasAdminSoapClient();
                string[] arrEmails = new string[] { Email.Value };
                List<string> lstEmails = new List<string>(); // Create new list of strings
                lstEmails.Add("test@whateverdomain.com"); // Add string 1

                svcAddAlias.AddAlias("name", "pw", "domain", aliasID", lstEmails);