Re: mail() and header folding/line endings
| From: | (Wietse Venema) | Date: | Fri, 21 Aug 2009 21:02:53 +0000 |
| Subject: | Re: mail() and header folding/line endings | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-45332@lists.php.net to get a copy of this message | ||
Joey Smith wrote:
> 3) I don't have an Apple platform for testing, what will happen on
> Mac if PHP_EOL is used as the separator for $additional_headers? I
> would like to change the documentation to say "Multiple extra
> headers should be separated with the PHP_EOL constant", but I'm not
> the least bit certain this is going to work correctly on Mac. I can
> tell you that on my machines (Linux, using a mix exim and sendmail
> as MTAs), it will not see the \r as a separator, but mixing \r\n and
> \n within the same message works just fine (another case of the
> ever-prevalent SMTP mantra of "Be permissive in what you accept, and
> strict in what you send"). If PHP_EOL can't be safely used, I imagine
> we'll have to document it as 'Use "\r\n" on Win32, and "\n"
> everywhere else', which I'd really rather not do - it seems hackish.
Davey Shafik:
> PHP_EOL is \n on OS X. So the \r worries are not a
> concern. PHP_EOL would be fine in this case, assuming
> the OSX sendmail is fine with it.
Oops. I forgot to mention that Postfix is the default MTA for Mac
OS X. That system is based off FreeBSD, and it uses the same text
encoding as *NIX systems.
Wietse