#25373 [Opn->Csd]: inconsistency in manual and src, possible nonstandard EOL chara

ID:               25373
Updated by:       mez@php.net
Reported By:      shane at sell dot com
-Status:           Open
+Status:           Closed
Bug Type:         Documentation problem
Operating System: linux
PHP Version:      4.3.3
New Comment:

This has now been changed to:

Note:  You must use \r\n to separate headers, although some Unix mail
transfer agents replace \n by \r\n automatically (leads to doubling \r
if \r\n is used).

Which should be sufficent documentation on this issue.


Previous Comments:
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[2004-07-02 17:49:57] curt@php.net

All Command should issue <CRLF>, According to rfc821 4.1.1 and rfc2821
2.3.7. sendmail might be taking care of the actual translations, but
either way, its probably a bad idea to send mixed line endings in the
smtp commands.



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[2004-07-02 13:37:21] vrana@php.net

AFAIK \r\n has to be on Windows, \n on Unix (even it may work sometimes
with \r\n as explained by "jhaar at trimble dot co dot nz"). I don't
know what's correct on Mac.

I wish to change this in php-src to work same on all platforms rather
than documenting it.

------------------------------------------------------------------------

[2004-07-02 13:23:45] php at grandrath-net dot de

I experienced the very same issue with exim. Replacing '\r\n' with '\n'
and removing any linebreak from the last header-line did the trick.

Please update your documentation. THX!

Martin Grandrath

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[2004-04-08 05:23:16] Jon at cytekstudios dot com

Ive also had that issue, because the manual indicates to use \r\n. I
just removed the \r and everything worked fine.
Maybe we could just change the manual entry to only have the \n's? Does
using only \n's create problems with other mailers or OS's? I've only
tested on linux with qmail.

Thanks,
Jonathan
CytekStudios.com

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[2004-03-09 02:53:48] jhaar at trimble dot co dot nz

This reference to <CR><LF> is causing grief.

That is a reference to the SMTP RFCs - not "how to write text to a
command-line mailer like /usr/sbin/sendmail".

As mail() calls the command-line program, it should refer to EOL as
being "<LF>" only.

It so happens that sendmail converts <CR><LF> it sees in text into <LF>
before processing it any further - but that was a wee sendmail-specific
feature - not an official standard.

e.g. Qmail has a "sendmail clone" /usr/sbin/sendmail - and it *doesn't*
do that. Then you end up with e-mail going out with <CR><CR><LF> within
the SMTP transaction - yuck!

Thanks

Jason

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the rest of the comments, please view the bug report online at
http://bugs.php.net/25373

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