ASP.NET Mail
From KOP KB
Comparing strings to avoid email issues
dim str1 As String = txtReceiptEmail.Text.ToString()
dim str2 As String = ""
if String.Compare(str1, str2) = 0 Then
message = New System.Net.Mail.MailMessage("[email protected]", "[email protected]")
else
message = New System.Net.Mail.MailMessage("[email protected]", txtReceiptEmail.Text)
end if