CRLF, PHP, Postfix, and SPAM
Sunday, October 21st, 2007Recently we switched our production machines from running sendmail to postfix. In this process our emails started getting caught as SPAM and it took a bit of digging to figure out what exactly was happening. The error we got was:
BAD_HEADER: Improper use of control character (char 0D hex)
If you look up 0D hex […]