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MailMessage Constructor (String, String)

Initializes a new instance of the MailMessage class by using the specified String class objects.

Namespace:  System.Net.Mail
Assembly:  System (in System.dll)
public MailMessage(
	string from,
	string to
)

Parameters

from
Type: System.String

A String that contains the address of the sender of the e-mail message.

to
Type: System.String

A String that contains the addresses of the recipients of the e-mail message.

ExceptionCondition
ArgumentNullException

from is null.

-or-

to is null.

ArgumentException

from is Empty ("").

-or-

to is Empty ("").

FormatException

from or to is malformed.

The From property is initialized using from and the To property is initialized using to.

The following code example demonstrates calling this constructor.

		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: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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