Malcolm,

Thank you for all this info. Let's take it one step at a time:-

> 1. Message sends.

=yes, answers 1 and 4 highlight the problem with email (not just email from PHP!) - 
there are no guarantees...
(except that the developer will suffer severe headaches and recurring nightmares)

> 2/3. The code used is as per the annotated on line PHP manual
>
>     [EMAIL PROTECTED]
>     11-Jan-2002 02:10
>
>     There used to be a note with a complete set of headers to use with the mail
>     function but somehow now its gone so here they are again hope it helps :)
>
>     $headers .= "From: Name<[EMAIL PROTECTED]>\n";
>     $headers .= "X-Sender: <[EMAIL PROTECTED]>\n";
>     $headers .= "X-Mailer: PHP\n"; //mailer
>     $headers .= "X-Priority: 3\n"; //1 UrgentMessage, 3 Normal
>     $headers .= "Return-Path: <[EMAIL PROTECTED]>\n";
>     //Uncomment this to send html format
>     //$headers .= "Content-Type: text/html; charset=iso-8859-1\n";
>     //$headers .= "cc: [EMAIL PROTECTED]\n"; // CC to
>     //$headers .= "bcc: [EMAIL PROTECTED]"; // BCCs to, separete
>     multiple with commas [EMAIL PROTECTED], [EMAIL PROTECTED]
>
>     Regards
>     P.A. Luis Tena O.
>     Mexico city.

=I struggled hard and long with this one too - even more so for us Windows users who 
have to worry about \n or
\r\n... The bottom line is that the PHP-native email() function is very 
exacting/narrowly defined - and I
couldn't get it to accept my code reliably (and there's nothing wrong with MY code so 
it must have been ...
fault !?)

> 4. No error messages. An email constructed as above sends perfectly - but
> the return path defaults to the apache user (in my case www) not the
> supplied return path. I tested the header construction by changing
> Return-Path: to X-Path: and the X-Path: header appears correctly. I am not
> sure but it seams that the real Return-Path is not overidable.

=yes I found this too, but no I couldn't figure it out.

=So let's try to be constructive: have you read the various RFCs (depending upon which 
formats of email... there
are several to cope with)? RFC822 is the most basic/easiest for me to understand and 
covers simple-text email
msgs (in particular the various headers).

=This raises the question about the use/implementation of Return-Path vs From. If you 
remove the Return-Path
header completely and succeed in send/receiving a msg, what happens when you hit Reply 
to that msg - does it
give you the from address or does the (useless) Return-Path address interject?

=Assuming that works ok, then the question becomes: do you really need to worry about 
Return-Path at all? If you
do not control the Return-Path, you may want to ascertain the server admin's 
policy/procedure for dealing with
any (your) 'returned mail'.

=If you do need to get clever with the headers then be advised that my path to success 
ran through phpguru.org
and a set of open source email PHP classes available there for download ('the man', 
Richard Heyes (?sp) is often
here on the list steering us through email headaches). Even though I'm not into 
classes/OO-programming, several
examples are provided and were enough to get me started - although much of the 
rationale is pure gobbledegook
unless you've read the RFCs (nag, nag).

=Sorry I didn't spot anything blindingly obvious. Let me know how you get on.

=Regards,
=dn


> >> I Have been trying to change the Return-Path: when using mail() but to no
> >> success. I have followed the examples in the documentation. Is there any
> >> hidden trick - Iam using apache 1.3.14, php 4.1.1 and sendmail 8.9.3.
> >
> >
> >=There's been some grouching on the lists about spam and vague questions -
> How much detail have you given about
> >this problem? Would it be acceptable to answer saying "Iam using apache
> 1.3.14, php 4.1.1 and sendmail 8.9.3.
> >and it works fine"?
> >
> >=Fortunately I don't (use sendmail) so after grumbling away, let me say
> that I do have systems that email
> >(successfully) from PHP code and am interested in the topic (and did like
> your precise subject line).
> >
> >1 if a msg is constructed (without Return-Path) does it send/receive to spec?
> >2 which example/documentation?
> >3 what is the pertinent PHP code?
> >4 what is the errmsg-received/other symptoms?
> >
> >=dn
> >
> >
> >
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