Chris --

You have started a new thread by taking an existing message and replying
to it while merely changing the Subject: line.

That is bad, because it breaks threading.  Whenever you reply to a
message, your mail client generates a "References:" header that tells all
recipients to which posting(s) your posting refers.  A mail client uses
this information to build a "thread tree" of the postings so that it is
easy to see just how they relate to each other.

With your posting style you successfully torpedoed this useful feature;
your posting shows up within an existing thread even though it is
completely unrelated.

Always do a fresh post when you want to start a new thread.  That means
that you do not select any sort of "Reply" when you start your message.
You can save the list address in your address book (or equivalent) for
convenience.

...and then Chris Balay said...
% 
% Good Day Coders -

Hello!


% 
% I have built a newsletter program with php. It sends out an e-mail to a 
% couple thousand subcribers every day. All works well. My problem is that I 

Interesting.  I'm always astonished the people use php for mailing list
work instead of just using mailing list software.  But I'm glad it works.


% have know way of finding out which e-mails are not being delivered 
% successfully.

If you're running under safe mode, you're apparently stuck.  If you're
not, you need to go back and read the manual again.  It's either the
second gunman on the grassy knoll or the fifth parameter ;-)


HTH & HAND

:-D
-- 
David T-G                      * There is too much animal courage in 
(play) [EMAIL PROTECTED] * society and not sufficient moral courage.
(work) [EMAIL PROTECTED]  -- Mary Baker Eddy, "Science and Health"
http://justpickone.org/davidtg/      Shpx gur Pbzzhavpngvbaf Qrprapl Npg!

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