SmtpClient Constructor (String, Int32)
Initializes a new instance of the SmtpClient class that sends e-mail by using the specified SMTP server and port.
Assembly: System (in System.dll)
The host and port parameters set the value of the Host and Port properties, respectively. If host is Nothing or equal to String.Empty, Host is initialized using the settings in the application or machine configuration files. If port is zero, Port is initialized using the settings in the application or machine configuration files. The Credentials property is initialized using the settings in the application or machine configuration files.
For more information about using the application and machine configuration files, see <mailSettings> Element (Network Settings). If information is specified using SmtpClient constructors or properties, this information overrides the configuration file settings.
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.