// generate a multipart/alternative message header
$messageHeader = $email->getAdditionalMailHeaderString() .
- "From: $fromName <{$fromAddress}>\n" .
- "Reply-To: $fromName <{$replyTo}>\n" .
- "MIME-Version: 1.0\n" .
+ "From: $fromName <{$fromAddress}>\r\n" .
+ "Reply-To: $fromName <{$replyTo}>\r\n" .
+ "MIME-Version: 1.0\r\n" .
"Content-Type: multipart/alternative; boundary=\"{$mimeBoundary}\"";
// assemble the final multipart message body with the text and html types included