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Author System.Web.Mail and Virtual SMTP Server
Nidhee Pathak

2006-05-09, 1:17 pm

Hi,

I am not able to send out emails through a windows service using the
System.Web.Mail namespace.
When I use smtpauthenticate = 1 or 2, I get an exception
{"The message could not be sent to the SMTP server. The transport error
code was 0x80040217. The server response was not available\r\n" }

When I use smtpauthenticate = 0, I get the following exception -
{"The server rejected one or more recipient addresses. The server
response was: 550 5.7.1 Unable to relay for X@ABC.com\r\n" }

But when it is 0, I am able to send the emails within the domain but
not outside the domain. I was using the domain's exchange server as the
smtp server.

I was thinking of setting of setting up a virtual smtp server on the
server that has the windows service running. I wanted to know whether
it was a good idea to do so?

Thanks,
Nidhee.

Jeff Cochran

2006-05-15, 1:18 am

On 9 May 2006 07:36:36 -0700, "Nidhee Pathak" <nidhee@gmail.com>
wrote:

>I am not able to send out emails through a windows service using the
>System.Web.Mail namespace.
>When I use smtpauthenticate = 1 or 2, I get an exception
>{"The message could not be sent to the SMTP server. The transport error
>code was 0x80040217. The server response was not available\r\n" }
>
>When I use smtpauthenticate = 0, I get the following exception -
>{"The server rejected one or more recipient addresses. The server
>response was: 550 5.7.1 Unable to relay for X@ABC.com\r\n" }
>
>But when it is 0, I am able to send the emails within the domain but
>not outside the domain. I was using the domain's exchange server as the
>smtp server.
>
>I was thinking of setting of setting up a virtual smtp server on the
>server that has the windows service running. I wanted to know whether
>it was a good idea to do so?


You could. I'd fix your relay issues in Exchange though.

Jeff
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