public MailPriority Priority { get; set; }

Public Property Priority As MailPriority
	Get
	Set

public:
property MailPriority Priority {
	MailPriority get ();
	void set (MailPriority value);
}

member Priority : MailPriority with get, set

Property Value

Sets the priority of the e-mails generated by this appender. The default priority is Normal.

If you are using this appender to report errors then you may want to set the priority to High.

Reference