SmtpPermission Class (System.Net.Mail)

SmtpPermission Class

.NET Framework 4

Other Versions

Controls access to Simple Mail Transport Protocol (SMTP) servers.

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

Syntax

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'Declaration

<SerializableAttribute> _
Public NotInheritable Class SmtpPermission _
	Inherits CodeAccessPermission _
	Implements IUnrestrictedPermission

Remarks

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.

Examples

The following code example creates an instance of an SmtpPermission.

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This language is not supported or no code example is available.

Inheritance Hierarchy

System.Object
System.Security.CodeAccessPermission
System.Net.Mail.SmtpPermission

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

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

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Reference

SmtpPermission Members

System.Net.Mail Namespace

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