Controls access to Simple Mail Transport Protocol (SMTP) servers.
Namespace:
System.Net.Mail
Assembly:
System (in System.dll)
Visual Basic (Declaration)
<SerializableAttribute> _
Public NotInheritable Class SmtpPermission _
Inherits CodeAccessPermission _
Implements IUnrestrictedPermission
Dim instance As SmtpPermission
[SerializableAttribute]
public sealed class SmtpPermission : CodeAccessPermission,
IUnrestrictedPermission
[SerializableAttribute]
public ref class SmtpPermission sealed : public CodeAccessPermission,
IUnrestrictedPermission
public final class SmtpPermission extends CodeAccessPermission implements IUnrestrictedPermission
The SmtpPermission and SmtpPermissionAttribute classes control access to SMTP host computers. The SmtpClient class demands an SmtpPermission when sending electronic mail to the SMTP host for delivery.
The SmtpAccess enumeration specifies the level of access controlled by an instance of this permission.
The following code example creates an instance of an SmtpPermission.
public static SmtpPermission CreateConnectPermission()
{
SmtpPermission connectAccess = new
SmtpPermission(SmtpAccess.Connect);
Console.WriteLine("Access? {0}", connectAccess.Access);
return connectAccess;
}
static SmtpPermission^ CreateConnectPermission()
{
SmtpPermission^ connectAccess =
gcnew SmtpPermission(SmtpAccess::Connect);
Console::WriteLine("Access? {0}", connectAccess->Access);
return connectAccess;
}
System..::.Object
System.Security..::.CodeAccessPermission
System.Net.Mail..::.SmtpPermission
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
.NET Framework
Supported in: 3.5, 3.0, 2.0
Reference