Hi, I needed to do the same work, and this found this one really nice: (preserves all headers, including From and To)
formail -s /usr/sbin/sendmail -i newaddress@somewhere < mail/mailfolder -- Behdad 1 Bahman 1380, 2002 Jan 21 [Finger for Geek Code] ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]