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Subject Property

MailMessage.Subject Property

Gets or sets the subject line for this e-mail message.

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

public string Subject { get; set; }

Property Value

Type: System.String
A String that contains the subject content.

Specify the encoding used for the subject by using the SubjectEncoding property.

The following code example demonstrates setting the Subject property.

		public static void CreateTestMessage2(string server)
		{
			string to = "jane@contoso.com";
			string from = "ben@contoso.com";
			MailMessage message = new MailMessage(from, to);
			message.Subject = "Using the new SMTP client.";
			message.Body = @"Using this new feature, you can send an e-mail message from an application very easily.";
			SmtpClient client = new SmtpClient(server);
			// Credentials are necessary if the server requires the client  
			// to authenticate before it will send e-mail on the client's behalf.
			client.UseDefaultCredentials = true;

      try {
			  client.Send(message);
			}  
			catch (Exception ex) {
			  Console.WriteLine("Exception caught in CreateTestMessage2(): {0}", 
                    ex.ToString() );			  
      }              
		}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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