Gets DSN RET parameter value. Value null means not specified. RET specifies whether message or headers should be included in any failed DSN issued for message transmission. Defined in RFC 1891.

public SMTP_DSN_Ret RET { get; }

Public ReadOnly Property RET As SMTP_DSN_Ret
	Get

public:
property SMTP_DSN_Ret RET {
	SMTP_DSN_Ret get ();
}

member RET : SMTP_DSN_Ret with get