Posted by "Richard Lynch" on 07/13/05 10:05

On Tue, July 12, 2005 5:03 am, Angelo Zanetti said:
> Is it possible to determine if a mail was sent successfully or not
> delivered using PHP? Obviously using PHP to send the emails.
> thanks in advance

No.

You can get the return code to see if YOUR mail software is even going to
try to send it.

After that, you have to track return mails, or you can use HTML-enhanced
(cough, cough) email, and embed an IMG with a URL and track those, for
some kind of rough idea of who is opening it, if they have crappy email
clients that let you find that out.

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