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SMTP Relay from IIS SMTP Virtual Server

P: n/a
I have a W2K3 Server we are setting up to run a Windows Service for a client
at their location.

I don't want this machine to go through exchange or their local mail server,
I just want the Server to send out a message from the SMTP Virtual Server to
me (in a different company) to tell me that some exception has happened in
our service. The problem is that it creates an error about a relay:

Exception Type: System.Net.Mail.SmtpFailedRecipientException
FailedRecipient: <to**@pd.com>
StatusCode: MailboxUnavailable
Message: Mailbox unavailable. The server response was: 5.7.1 Unable to relay
for to**@pd.com
Data: System.Collections.ListDictionaryInternal
TargetSite: System.Net.Mail.MailWriter SendMail(System.Net.Mail.MailAddress,
System.Net.Mail.MailAddressCollection, System.String,
System.Net.Mail.SmtpFailedRecipientException ByRef)
HelpLink: NULL
Source: System
There is no mailbox here, just the virtual server.

The way I can make it work is to go into the properties for the SMTP Virtual
Server and go to Access/Relay and add 127.0.0.1 to only allow relay from
only this machine.

Is this the proper way to do it?

Thanks,

Tom
Jun 27 '08 #1
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P: n/a
the smtp virtual needs some valid smtp server it can relay thru.
generally the smtp server will require a login (which you can configure
the virtual server to supply).

I assume you are planning on using your smtp server, talk to your
network people and get the port number and login the virtual server will
need. then configure the client virtual relay to use these settings.

the client may need to configure their firewall to allow smtp out from
the virtual server.

-- bruce (sqlwork.com)

tshad wrote:
I have a W2K3 Server we are setting up to run a Windows Service for a client
at their location.

I don't want this machine to go through exchange or their local mail server,
I just want the Server to send out a message from the SMTP Virtual Server to
me (in a different company) to tell me that some exception has happened in
our service. The problem is that it creates an error about a relay:

Exception Type: System.Net.Mail.SmtpFailedRecipientException
FailedRecipient: <to**@pd.com>
StatusCode: MailboxUnavailable
Message: Mailbox unavailable. The server response was: 5.7.1 Unable to relay
for to**@pd.com
Data: System.Collections.ListDictionaryInternal
TargetSite: System.Net.Mail.MailWriter SendMail(System.Net.Mail.MailAddress,
System.Net.Mail.MailAddressCollection, System.String,
System.Net.Mail.SmtpFailedRecipientException ByRef)
HelpLink: NULL
Source: System
There is no mailbox here, just the virtual server.

The way I can make it work is to go into the properties for the SMTP Virtual
Server and go to Access/Relay and add 127.0.0.1 to only allow relay from
only this machine.

Is this the proper way to do it?

Thanks,

Tom

Jun 27 '08 #2

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