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SmtpAccess Enum

Definition

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Specifies the level of access allowed to a Simple Mail Transport Protocol (SMTP) server.

C#
public enum SmtpAccess
Inheritance
SmtpAccess

Fields

Name Value Description
None 0

No access to an SMTP host.

Connect 1

Connection to an SMTP host on the default port (port 25).

ConnectToUnrestrictedPort 2

Connection to an SMTP host on any port.

Examples

The following code example uses the SmtpAccess enumeration to create a permission object.

C#
public static SmtpPermission CreateConnectPermission()
{
    SmtpPermission connectAccess = new
        SmtpPermission(SmtpAccess.Connect);
    Console.WriteLine("Access? {0}", connectAccess.Access);
    return connectAccess;
}

Remarks

The SmtpAccess enumeration is used by the SmtpPermission and SmtpPermissionAttribute classes to specify a level of access to an SMTP host computer. The SmtpClient class demands an SmtpPermission when sending electronic mail to the SMTP host for delivery.

Applies to

Product Versions
.NET 8 (package-provided), 9 (package-provided), 10 (package-provided)
.NET Framework 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 2.0 (package-provided)
Windows Desktop 3.0, 3.1, 5, 6, 7, 8, 9, 10