<?xml version="1.0" encoding="utf-8" ?> 
<configuration>
<system.web>
   <identity impersonate="false"/>
   <compilation debug="true" />
   <httpRuntime maxRequestLength="2147483647" executionTimeout="360000"/>
</system.web>
<system.serviceModel> 
<services> 
	<service  name="TransportModuleService.TModuleServ" behaviorConfiguration="TransportModuleServiceBehavior">
		<endpoint address="" 
			      binding="wsHttpBinding" 
				  contract="TransportModuleService.IServiceTransportModule" />
		<endpoint address="mex"
				  binding="mexHttpBinding"
				  contract="IMetadataExchange" />
	</service> 
</services>
<behaviors>
	<serviceBehaviors>
		<behavior name="TransportModuleServiceBehavior" >
			<serviceMetadata httpGetEnabled="true" policyVersion="Policy15"/>
		</behavior>
	</serviceBehaviors>
</behaviors>
</system.serviceModel>
</configuration>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Text;
using System.IO;
using System.Data;
using System.Xml;
using System.Text.RegularExpressions;


namespace TransportModuleService
{
    [ServiceContract]
    public interface IServiceTransportModule
    {
        [OperationContract]
        bool ValidateAddress(string emailAddress);
    }

    public class TModuleServ : IServiceTransportModule
    {
        public bool ValidateAddress(string emailAddress)
        {
            string pattern = @"^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@(([0-9a-zA-Z])+([-\w]*[0-9a-zA-Z])*\.)+[a-zA-Z]{2,9})$";
            return Regex.IsMatch(emailAddress, pattern);
        }
     }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Web;
using System.Text;
using System.IO;
using System.Data;
using System.Xml;
using System.Text.RegularExpressions;
using MyDll;

namespace TransportModuleService
{
    [ServiceContract]
    public interface IServiceTransportModule
    {
        [OperationContract]
        bool ValidateAddress(string emailAddress);
    }

    [DataContract]
    public class AboutFileSend
    {
        public AboutFileSend()
        {
            this.err = new WorkMain.ErrorVar();
        }
        [DataMember]
        public int IdFile;
        [DataMember]
        public string FileName;
        [DataMember]
        public string ReplaceFileName;
        [DataMember]
        public string TypeFile;
        [DataMember]
        public WorkMain.ErrorVar err;
    }


    public class TModuleServ : IServiceTransportModule
    {
        public bool ValidateAddress(string emailAddress)
        {
            string pattern = @"^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@(([0-9a-zA-Z])+([-\w]*[0-9a-zA-Z])*\.)+[a-zA-Z]{2,9})$";
            return Regex.IsMatch(emailAddress, pattern);
        }
     }
}