newline not working in PHP mail

Question

I\'m using the following to send an email:

Answer 1

Not an answer to the question, but may be of help to someone.

Send a HTML message, and instead of \n, use
.

And use

or CSS for preformatted text, thus translating \n to actual new lines.

$headerFields = array(
    "From: who@are.you",
    "MIME-Version: 1.0",
    "Content-Type: text/html;charset=utf-8"
    );
mail($to, $subj, $msg, implode("\r\n", $headerFields));