SmtpDeliveryFormat Enumeration

.NET Framework (current version)

The delivery format to use for sending outgoing e-mail using the Simple Mail Transport Protocol (SMTP).

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

Syntax

type SmtpDeliveryFormat

	Member name	Description
	International	A delivery format where non-ASCII characters in the envelope and header fields used in the Simple Mail Transport Protocol (SMTP) for mail messages are encoded with UTF-8 characters. The extensions to support international e-mail are defined in IETF RFC 6530, 6531, and 6532.
	SevenBit	A delivery format using 7-bit ASCII. The traditional delivery format used in the Simple Mail Transport Protocol (SMTP) for mail messages.

.NET Framework
Available since 4.5