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System.Net.Mail.SmtpException: Cannot get IIS pickup directory.

Posted on 2007-03-20
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Last Modified: 2013-11-07
Help!!!

I setup a new computer for my development.  I re-installed VS2005 and the service pack.  All Windows XP updates have been applied.  I am now getting the following error when I try to send e-mail.

A first chance exception of type 'System.Net.Mail.SmtpException' occurred in System.dll
"System.Net.Mail.SmtpException: Cannot get IIS pickup directory.
   at System.Net.Mail.IisPickupDirectory.GetPickupDirectory()
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at ITCClass.ITCCom.DoEmail() in C:\DotNetProjects\ITCClass\ITCClass\ITCCom.vb:line 586"

Here is the code:

 Public Sub DoEmail()
        Dim MAdd As String = "me@us.com"
        Dim FromAdd As New MailAddress(MAdd)
        Dim Attach As String = "c:\export\RMDSAPAR_20070123.txt" ' Test for an attachment
        Dim MessAtt As New Attachment(Attach)
        Dim x As String, EMailSuccess As String
        Dim MailObj As New System.Net.Mail.SmtpClient("isasrv.main.dataserv.net")
        Dim Mess As New MailMessage
        Dim Subject As String, Body As String, Username As String
        FromAdd.Address.Insert(0, "me@us.com")
        Subject = "Test E-mail"
        Body = "This is a test e-mail"
        Mess.From = FromAdd
        Mess.To.Add("me@us.com")
        Mess.To.Add("bad_add@us.com") ' To test what happens when a bad address is sent
        Mess.Attachments.Add(MessAtt)
        Mess.Subject = Subject
        Mess.Body = Body
        MailObj.DeliveryMethod = SmtpDeliveryMethod.PickupDirectoryFromIis
        MailObj.UseDefaultCredentials = True
        Try
            MailObj.Send(Mess)
        Catch ex As Exception
            x = ex.ToString
            EMailSuccess = x
        End Try
    End Sub

This worked like a champ on my old computer but fails on the new one.  I am using the same user account on both and am connected to the same network.   I have looked and cannot find a resonable solution.

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Question by:mkacos
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by:crisco96
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in your web.config in system.web add the key:
<identity impersonate="true" />

Then in IIS configure your anonmyous user to be a user that has access to the pickup directory on your email server.
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by:mkacos
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Crisco
Thanks for the response but it opens more questions.
I added the Identity Impersonate to the new computer and it did not work.  I did not change the IIS config because the older machine works with the current settings.
I have compaired the web.config file on the old computer and the new one.  They are the same.  The old one does NOT have the identity impersonate entry in it yet it works.  




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by:crisco96
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My guess is that the current user that the site runs under (with the new computer) doesn't have permissions to do what you're trying.  

Using identity impersonate and an anonymous user that definitely has access to the pickup folder would either confirm or reject my suspicion.
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by:mkacos
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The site is on a seperate server, it is not on the new machine.  The only change is the new workstation.  The IIS server is the same as before and is a production server.

FYI: The user ID on the workstation is an administrator for the network.  The only obvious change is the new workstation name.
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by:mkacos
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After fixing an issue with our firewall that would not let me get to the pikcup directory, I changed the code to the following and it works.

MailObj.PickupDirectoryLocation = "\\Isasrv\PickUp2"
MailObj.DeliveryMethod = SmtpDeliveryMethod.SpecifiedPickupDirectory

FYI: On the older machine, using MailObj.DeliveryMethod = SmtpDeliveryMethod.PickupDirectoryFromIis the emails did not send for hours.  Using SmtpDeliveryMethod.SpecifiedPickupDirectory they send immeadiatly
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Computer101 earned 0 total points
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PAQed with points refunded (500)

Computer101
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by:ReallyGoodStuff
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Why does the accepted answer say "PAQed with points refunded (500)

Computer101
EE Admin"

I need an answer to this as well?
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