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Bug #32600 PHP sets return-path incorrectly
Submitted: 2005-04-06 01:03 UTC Modified: 2005-08-08 00:14 UTC
Avg. Score:4.0 ± 1.0
Reproduced:2 of 2 (100.0%)
Same Version:1 (50.0%)
Same OS:1 (50.0%)
From: freddie at vbulletin dot com Assigned:
Status: Not a bug Package: Mail related
PHP Version: 5.0.4 OS: Win32
Private report: No CVE-ID: None
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 [2005-04-06 01:03 UTC] freddie at vbulletin dot com
A new bug has been introduced with the bug fix listed at

The above fix attempts to set a reverse-path based on the From: header if sendmail_from is undefined.

The problem with this is that the From: header is taken verbatim and not formatted to the RFC 2822 specification.

This results in the email being rejected by the server.

Reproduce code:

$headers .= "From: \"Example User\" <>";

PHP will then set  the RPath to "\"Example User\" <>" when it should be "<>"

Expected result:
Line 440 win32/sendmail.c:

snprintf(Buffer, MAIL_BUFFER_SIZE, "MAIL FROM:<>\r\n", RPath);

Actual result:
Line 440 win32/sendmail.c:

snprintf(Buffer, MAIL_BUFFER_SIZE, "MAIL FROM:<Example User <>>\r\n", RPath);


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 [2005-04-06 01:07 UTC] freddie at vbulletin dot com

RPath should be set to "", not "<>"
 [2005-08-08 00:14 UTC]
Please do not submit the same bug more than once. An existing
bug report already describes this very problem. Even if you feel
that your issue is somewhat different, the resolution is likely
to be the same. 

Thank you for your interest in PHP.

Same as bug #28038 (It's a general problem with address formatting)

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