Enum SmtpDeliveryMethod Path C++ Link System.Net.Mail.SmtpDeliveryMethod, System underlying int32 System.dll Values 3 NameValueHex Network00x00SpecifiedPickupDirectory10x01PickupDirectoryFromIis20x02 Used by 1types with a member, parameter or interface of this type SmtpSection // System.Net.Mail.SmtpDeliveryMethod, System enum class SmtpDeliveryMethod : int32 { Network = 0, SpecifiedPickupDirectory = 1, PickupDirectoryFromIis = 2, };