Re: Using System.Net.Mail

Typical, I find that the anti-virus software on the SMTP server is blocking port
25.  If you SMTP server is different from when you use System.Web.Mail and
System.Net.Mail, then look at your virus scanner settings.

--------------------------------------------------------------------------------
---
Christopher Reed
"The oxen are slow, but the earth is patient."


>|-----Original Message-----
>|From: Discussion of building .NET applications targeted for the Web
[mailto:[email protected]] On Behalf Of Clark, Michael (OFM)
>|Sent: Friday, May 04, 2007 12:55 PM
>|To: [email protected]
>|Subject: [DOTNET-WEB] Using System.Net.Mail
>|
>|
>|I'm going out of my mind trying to get System.Net.Mail to work in an app, but
am having no joy.  I was using System.Web.Mail, and the following code works
like a charm:
>|
>|MailMessage mm = new MailMessage()
>|mm.To = "[email protected]";
>|mm.From = "[email protected]";
>|mm.Body = "Just testing this";
>|mm.Subject = "Testing 123";
>|
>|SmtpMail.Send(mm);
>|
>|VS2005 says it's obsolete, so I'm trying to use the "new and improved"
methods.
>|
>|I look at the sample code in MSDN on using the Send method in
System.Net.Mail.SmtpClient as found here:
>|
>|http://msdn2.microsoft.com/en-us/library/swas0fwc.aspx
>|
>|And the code that I am attempting to execute is:
>|
>|string to = "[email protected]";
>|string from = "[email protected]";
>|MailMessage message = new MailMessage(from, to);
>|message.Subject = "Using the new SMTP client.";
>!message.Body = @"Using this new feature, you can send an e-mail message from
an application very easily.";
>!SmtpClient client = new SmtpClient(Server);
>!client.UseDefaultCredentials = true;
>|client.Send(message);
>|
>|When the Send is executed this exception is raised: "An established connection
was aborted by the software in your host machine "
>|
>|Looking further, the status code given is "GeneralFailure", the exception
message is "Failure sending mail." and the inner exception message is "Unable to
connect to the remote server".
>|
>|The problem may or may not be centered around the server name.  It's a server
on our intranet, and I have tried both its name and its IP address, but no joy.

>|
>|Does anyone have any suggestions?

No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.5.467 / Virus Database: 269.6.5/792 - Release Date: 5/6/2007 9:01 PM

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