Smart hosts are *other* SMTP servers you relay through. Don't enter
server for delivery. If you are using a local SMTP server, the
wrote:
>Hi,
>
>we've been using CDO to send mail from a custom ASPNET application, but
>now it has suddenly (and unexpectedly) stopped working. The error message
>returned is (the infamous) "CDO.Message.1 error '80040213' The transport failed to
>connect to the server"
>
>The application uses localhost (listening on *all unassigned*) as
>SMTP-relay, which in turn is configured to forward mail to a smarthost
>(10.0.0.2).
>
>In order to debug this, I've created a script (found in the bottom of this post) and dumped it in the
>web site's root folder as "sendmail.asp":
>
>When loading http://localhost/sendmail.asp in a browser:
>1. When "smarthost" is set to "127.0.0.1" and "sendusing" is set to "1", the
> mail message is dropped to the mailroot queue folder.
>2. When "smarthost" is set to "10.0.0.1" (local SMTP ip-addr) and "sendusing"
> is set to "2" or...
>3. ...when "smarthost" is set to "10.0.0.2" (the smarthost) and "sendusing"
> is set to "2", IIS returns the following error:
>
> CDO.Message.1 error '80040213'
>
> The transport failed to connect to the server.
>
> /sendmail.asp, line 30
>
>When executing sendmail.vbs (sendmail.asp as vbscript) from the command line (as local admin):
>4. smarthost=localhost, sendusing=1 => mail message is dropped to the mailroot queue folder.
>5. smarthost=10.0.0.1, sendusing=2 => mail message is dropped to the mailroot queue folder.
>6, smarthost=10.0.0.2, sendusing=2 => mail sent directly to smarthost, over the internet to recipient.
>
>In cases 1, 4 and 5, I find this in the system eventlog:
>
> source: smtpsvc
> type: warning
> event id: 4006
>
> Message delivery to the host '10.0.0.2' failed while delivering to the
> remote domain '<domain_removed>' for the following reason: The remote
> server did not respond to a connection attempt.
>
>Setup:
>
>10.0.0.1 : windows server 2003 standard edition running iis 6.0 with www/smtp
> SMTP-service is setup to relay from 127.0.0.1 and 10.0.0.1
> Access (anonymous) to SMTP on this box only from 127.0.0.1 and 10.0.0.1
>10.0.0.2 : windows server 200X running lotus domino 6.5
> lotus domino is setup to relay from 10.0.0.1
>
>Anyone got any idea of what is causing this error?
>
>Best regards,
>Espen Torgersen
>
>
><!-- script start -->
><html>
><head>
><title>SMTP test program</title>
><head>
><body>
>
><!-- script start -->
><script language="vbscript" runat=server>
>dim smarthost
>
>'smarthost="127.0.0.1"
>'smarthost="10.0.0.1"
>smarthost="10.0.0.2"
>
>Set objEmail = CreateObject("CDO.Message")
>
>objEmail.From = "from@email-addr"
>objEmail.To = "to@email-addr"
>objEmail.Subject = "Test of SMTP on SMTPSERVER=" & smarthost
>objEmail.Textbody = "This is the mail message body."
>objEmail.Configuration.Fields.Item ("
http://schemas.microsoft.com/cdo/configuration/sendusing") = 2
>objEmail.Configuration.Fields.Item ("
http://schemas.microsoft.com/cdo/configuration/smtpserver") = smarthost
>objEmail.Configuration.Fields.Item ("
http://schemas.microsoft.com/cdo/configuration/smtpserverport") = 25
>objEmail.Configuration.Fields.Item ("
http://schemas.microsoft.com/cdo/configuration/smtpauthenticate") = cdoAnonymous ' =0
>''objEmail.Configuration.Fields.Item ("
http://schemas.microsoft.com/cdo/configuration/smtpauthenticate") = cdoBasic 'cdoAnonymous ' =0
>''objEmail.Configuration.Fields.Item ("
http://schemas.microsoft.com/cdo/configuration/sendusername") = "<user>"
>''objEmail.Configuration.Fields.Item ("
http://schemas.microsoft.com/cdo/configuration/sendpassword") = "<password>"
>
>objEmail.Configuration.Fields.Update
>objEmail.Send
>
></script>
></body>
></html>
><!-- script stop -->
>