Hi I am using the following code for sending a mail from asp page.I am not sure how to track whether the email is sent or delivered.Even i give a wrong to address like 'ono@on.com'
I am getting err.number is 0.Can somebody explain me to track it.In which case the err.number hold the value.


Set myMail=CreateObject("CDO.Message")
on error resume next
myMail.Subject="Sending email with CDO"
myMail.From="mymail@mydomain.com"
myMail.To="someone@somedomain.com"
myMail.HTMLBody = "<h1>This is a message.</h1>"
myMail.Send
if err.number <> 0 then
response.write "Error number " & err.number & " Error Desc " & err.description
err.clear
end if

It is not possible to track where the email has been received at the recipient mail server or not. Script will just send the mail. It can not track whether the mail was accepted by the mail server or rejected or un-routed, etc.

However, if the mail could not be sent then you will receive the appropriate error number there in the script.

There are some email components which provide the option to get a confirmation email on successful transfer of email. CDO does not provide this option.

When sending email, CDO or any other component does not check or validate whether the given email address exists or not.

If i have given some invalid email address for eg "one.com" whether it will throw the error...

An error number of 0 means the message was accepted and sent successfully from the by the sending server. You cannot track if it was delivered or not, or if the recipient is a valid address or not

Originally Posted by itHighway

There are some email components which provide the option to get a confirmation email on successful transfer of email. CDO does not provide this option.

Can you give the name of anyone component that returns the status of the successful transfer of an email sent?

There isn't one!

No server component can retrieve the read/unread status on another remote mail server.
There can be ways of reading the status provided the recipient mail server is on the same server as your sending script, and the mail server in use allows for scripting to be used.