Index: t3lib/class.t3lib_htmlmail.php
===================================================================
--- t3lib/class.t3lib_htmlmail.php	(revision 7074)
+++ t3lib/class.t3lib_htmlmail.php	(working copy)
@@ -770,13 +770,13 @@
 				$mailWasSent = mail($this->from_email,
 					$theParts[0],
 					$theParts[1],
-					'From: ' . $recipient,
+					'From: ' . $recipient . $this->linebreak . $this->plain_text_header,
 					$returnPath);
 			} else {
 				$mailWasSent = mail($this->from_email,
 					$theParts[0],
 					$theParts[1],
-					'From: ' . $recipient);
+					'From: ' . $recipient . $this->linebreak . $this->plain_text_header);
 			}
 		}
 		if ($this->returnPath) {