Email (smtp) is by design a best effort delivery system. There is no
guarantee of delivery, and although you can 'request' a delivery
receipt it is up to the receiving mail program to decide if it wants
to send a 'received' or 'read' receipt.
If you really need to verify that an email has been read, you can do
one of two things. Firstly, write the email in html, with a reference
to an image on your server. Then when the mail is opened, the image
will be loaded. Using unique image names, url arguments and trapping
errors on the server are left as an exercise for the reader. Be aware
that this is a common technique for spammers to verify an email
address, so some spam systems will rate your email. The second way is
to include a url in the email for the end reader to click on.
Can you tell us a little more about the problem you are trying to solve?
Regards,
Jason.
On 16/12/2006, at 3:26 PM, MC Tay wrote:
Hi:
Does anyone know any scripts or products that verifies emails (not
syntax, but to check the delivery results) and can be integrated
with WiTango?
Thanks!
MC
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