Hi

When trying to send email using SmtpMail i get the following error:

System.Web.HttpException: Could not access 'CDO.Message' object. ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Runtime.InteropServices.COMException (0x80040213): The transport failed to connect to the server.

Where should i start looking?

Thanks!
Jason

just specify the SMTPServer as "localhost"

I'm seeing the COMException and wondering if you have looked at using the native .Net mail capabilities: System.Web.Mail

Peter

I had a similar problem - had to add SMTPServer = "localhost"
and go to IIS > SMTP Server > right click Properties > Access tab > Click the Relay button > Add > in the IP address 127.0.0.1 - this is localhost.

the stange thing is I did not have to do this for a while I was sending out mail without any problems then the error started coming up (might have been 1.0 to 1.1 dotNet - can't remember).

planoie - I believe that the native .net mail System.Web.Mail is just a wrapper around existing com objects, hence the InteropServices.COMException errors.

Thanks for all the replies!! much appreciated.

well it turns out that the client who was implementing this got his Smtp Server name wrong. so it was as simple as correcting that. therefore it's as simple as the error message suggests. sigh...

Thanks again
Interesting that they (MS) would just use interop, i guess nothing to really change with SMTP

jhouse - thanks so much for your posting. I too ran into the exact same scenario where my SMTP mail logic stopped working... My guess is that it was a security update patch from Microsoft that killed it.

Anyway, just to confirm, I had to set the IIS\SMTP settings as you suggested and actually define the SMTPServer and things appear to be working just fine. Well, minus the fact that everything is still getting stuck in the SMTP queue. :-)

Thanks,

Frosty