Importance Property
Importance of the mail message (optional).
Syntax
[VB.NET] Public Property Importance As SmtpImportances
[C#] public SmtpImportances Importance {get; set;}
enum SmtpImportances { miUnspecified, miHigh, miNormal, miLow }
Remarks
This property indicates the importance of the mail message (optional). When set, an Importance header will added to the message.
Importance is an indication to the recipient(s) about how important the message is. The possible values are High (1), Normal (2), and Low (3).
Default Value
0