PHP mail formatting issue - Why do CRLF header line endings break HTML email in Outlook?

Question

I\'m using the PHP native mail() function to send HTML emails and have a formatting problem in the users most common email client - Outlook 2007

Answer 1

If You use postfix<2.9, You can just put sendmail_path = "tr -d '\r'|sendmail -t -i" into php.ini.