Привет!
Вот такой эксэпшн вылетает! Что делать?

System.Net.Mail.SmtpException was unhandled by user code
  Message="Failure sending mail."
  Source="System"
  StackTrace:
       at System.Net.Mail.SmtpClient.Send(MailMessage message)
       at Secret_NewsCommPage.Page_Load(Object sender, EventArgs e) in C:\...\Page.aspx.vb:line 131
       at System.Web.UI.Control.OnLoad(EventArgs e)
       at System.Web.UI.Control.LoadRecursive()
       at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Код:
 
 Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Dim daBookmarkAdapter As New BookmarkTableAdapters.SubscribeTableAdapter
        Dim dtBookmarkTable As New Bookmark.SubscribeDataTable
        Dim daNewsCommAdapter As New BookmarkTableAdapters.NewsCommTableAdapter
        Dim dtNewsCommTable As New Bookmark.NewsCommDataTable
        daBookmarkAdapter.Fill(dtBookmarkTable)
        daNewsCommAdapter.Fill(dtNewsCommTable)
        Dim newssumm As String = dtNewsCommTable.Rows(0)("Summary")
        Dim newsdate As String = dtNewsCommTable.Rows(0)("Date")
        Dim url As String = dtNewsCommTable.Rows(0)("Url")
        Dim newsname As String = dtNewsCommTable.Rows(0)("Name")
        For Each row As Bookmark.SubscribeRow In dtBookmarkTable.Rows
            Dim username As String = row.ItemArray(1).ToString()
            Dim email As String = row.ItemArray(2).ToString()
            Dim eMsg As String
            eMsg = "Система автоматической рассылки." & vbCrLf
            eMsg += "Здравствуйте, " & username & "!" & vbCrLf
            eMsg += "В раздел коммерческих новостей добавлена новость: " & vbCrLf
            eMsg += newsdate & ". " & newsname & ". " & vbCrLf & newssumm & ". " & vbCrLf
            eMsg += "подробнее можно узнать по ссылке: " & url


            Dim message As New MailMessage("uname@myhost.net", email, newsname, eMsg)
            Dim emailClient As New SmtpClient("mail.myhost.net", 25)
            Dim SMTPUserInfo As New Net.NetworkCredential("uname@myhost.net", "pwd")
            emailClient.UseDefaultCredentials = False
            emailClient.Credentials = SMTPUserInfo
            emailClient.Send(message)

        Next row
    End Sub

web config:
<mailSettings>
      <smtp from="news@resconsulting.net">
        <network host="rc-server" password="pwd" userName="uname" />
      </smtp>
</mailSettings>
 
Спасибо!

Отбой!
Строка  DeliveryMethod = SmtpDeliveryMethod.PickupDirectoryFromIis исправила положение :-)

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