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SmtpClient.ServicePoint Property

Gets the network connection used to transmit the e-mail message.

Namespace:  System.Net.Mail
Assembly:  System (in System.dll)

public ServicePoint ServicePoint { get; }

Property Value

Type: System.Net.ServicePoint
A ServicePoint that connects to the Host property used for SMTP.

ExceptionCondition
InvalidOperationException

Host is null or the empty string ("").

-or-

Port is zero.

The settings for the ServicePoint property are created using defaults specified in the application or machine configuration files and the ServicePointManager class.

The following code example demonstrates accessing the ServicePoint property.

		public static void CreateTestMessage1(string server, int port)
		{
			string to = "jane@contoso.com";
			string from = "ben@contoso.com";
			string subject = "Using the new SMTP client.";
			string body = @"Using this new feature, you can send an e-mail message from an application very easily.";
			MailMessage message = new MailMessage(from, to, subject, body);
			SmtpClient client = new SmtpClient(server, port);
			// Credentials are necessary if the server requires the client  
			// to authenticate before it will send e-mail on the client's behalf.
			client.Credentials = CredentialCache.DefaultNetworkCredentials;

      try {
			  client.Send(message);
      }
			catch (Exception ex) {
			  Console.WriteLine("Exception caught in CreateTestMessage1(): {0}", 
                    ex.ToString() );
      }              
		}

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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