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Re: problem figuring out why mail fails

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On Tue, 13 Apr 2021 11:22:52 -0400, bill wrote:

> I have a script that sends mail in a loop.  Unfortunately it is 
> sending only the first.
> Mail returns "false" for all sends after the first:
> 
> Here is the script segment:
> 	
> 	$to ='william@xxxx.com';
> 	$subject ='IRWOM Status Update request';
> 	
> 	$headers[] = 'MIME-Version: 1.0';
> 	$headers[] = 'Content-type: text/html; charset=iso-8859-1';
> 	$headers[] = 'From: michigan@xxxxx.org';
> // Mail it
> 
> 	$sent =mail($to, $subject, $message, implode("\r\n", $headers));
> 
> //debug info
> echo "sent:" . var_dump($sent);
> 
> echo basename(__FILE__) . ": " . __LINE__ . ": $appNum<br />";	
> print_r (error_get_last());
> echo "<br />";
> -------------------------
> 
> var_dump ($sent) returns bool(false)
> error_get_last returns nothing rather than the array expected
> If I put an intentional error above the send error_get_last 
> correctly reports that.
> 
> Does anyone see anything that would generate this or have any 
> suggestions for debugging the mail send?
> 
> here is the debugging output:
> -------------------
> statusCheckGenerate.php: 160:
> to: william@xxxxx.com
> headers: MIME-Version: 1.0
> Content-type: text/html; charset=iso-8859-1
> From: michigan@xxxxxx.org
> bool(true) sent:
> 
> statusCheckGenerate.php: 160:
> to: william@xxxxxxn.com
> headers: MIME-Version: 1.0
> Content-type: text/html; charset=iso-8859-1
> From: michigan@xxxxxxx.org
> MIME-Version: 1.0
> Content-type: text/html; charset=iso-8859-1
> From: michigan@xxxxx.org
> bool(false) sent:

If you examine the dump (above) from the failing message,
you will note that the message contains:
 - two (2) "MIME-Version:" headers,
 - two (2) "Content-type:" headers, and
 - two (2) "From:" headers

I have no doubt that the php mail() function will get confused
with the duplicated headers.

I suspect that you do not clear your $headers[] array between emails,
causing each email to /append/ it's headers to the (growing) header
list.

Try adding
  unset($headers);
after your
  $sent = mail($to, $subject, $message, implode("\r\n", $headers));


HTH
-- 
Lew Pitcher
"In Skills, We Trust"

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Thread

problem figuring out why mail fails bill <william@TechServSys.com> - 2021-04-13 11:22 -0400
  Re: problem figuring out why mail fails Jeroen Belleman <jeroen@nospam.please> - 2021-04-13 21:01 +0200
  Re: problem figuring out why mail fails "J.O. Aho" <user@example.net> - 2021-04-13 22:05 +0200
    Re: problem figuring out why mail fails bill <william@TechServSys.com> - 2021-04-16 08:33 -0400
      Re: problem figuring out why mail fails Kristall <kristallin555@gmail.com> - 2023-02-27 02:40 -0800
  Re: problem figuring out why mail fails Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2021-04-13 21:08 +0000
  Re: problem figuring out why mail fails Arno Welzel <usenet@arnowelzel.de> - 2021-04-14 16:32 +0200
    Re: problem figuring out why mail fails Jerry Stuckle <jstucklex@attglobal.net> - 2021-04-14 12:58 -0400
      Re: problem figuring out why mail fails Kristall <kristallin555@gmail.com> - 2023-02-27 02:40 -0800

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