Issue #3270647 by P44T, AndyF, Sander Edwards van Muijen, Nitin shrivastava,...
Issue #3270647 by P44T, AndyF, Sander Edwards van Muijen, Nitin shrivastava, Albert Volkman, mr.baileys, jshimota01, catch, mpellegrin, poker10, alexpott: PhpMail : broken mail headers in PHP 8.0+ because of LF characters
(cherry picked from commit 915fe898)