The code in courier-authlib looks completely different to me. I suggest to bring up this problem on courier-users.
It seems it was removed completely. While the original version removed the commas on the end, it now takes the whole original field:
"eee ee Eeee,,22222," <[EMAIL PROTECTED]> I'll post to courier-users soon. Willi -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]