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MailMessage Constructor (MailAddress, MailAddress)

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

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

Public Sub New ( _
	from As MailAddress, _
	to As MailAddress _


Type: System.Net.Mail.MailAddress
A MailAddress that contains the address of the sender of the e-mail message.
Type: System.Net.Mail.MailAddress
A MailAddress that contains the address of the recipient of the e-mail message.


from is Nothing.


to is Nothing.


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 Shared Sub CreateTestMessage3()
    Dim [to] As New MailAddress("")
    Dim [from] As New MailAddress("")
    Dim message As 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."
    ' Use the application or machine configuration to get the 
    ' host, port, and credentials.
    Dim client As New SmtpClient()
    Console.WriteLine("Sending an e-mail message to {0} at {1} by using the SMTP host={2}.", [to].User, [to].Host, client.Host)
    Catch ex As Exception
        Console.WriteLine("Exception caught in CreateTestMessage3(): {0}", ex.ToString())
    End Try
End Sub

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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