Frank Derichsweiler proclaimed on mutt-users that: >> same question but with this field (from a netscape's user) >> Disposition-Notification-To: [EMAIL PROTECTED] >> how could mutt notify this user that I've read his mail >> (not that the mail has been delivered by his mail server) > my_hdr Disposition-Notification-To: foo@bar I am sorry - this is a solution when _you_ want to ask for a return receipt (and even then, this must be enabled selectively, it will be a royal PITA if you get DSNs for every mail you send). The original poster was asking how _he_ can send back a "Read Receipt" receipt to the user. Delivery receipt is automatically sent back if the receiving MTA is DSN aware. Actually, what you can do is to write a procmail rule to send back a "your message has been read by me at $date" when you find these headers Disposition-Notification-To: Return-Receipt-To: X-Confirm-Reading-To: (generated by Pegasus Mail) The standard autoresponder template in man procmailex should do for this hth -- Suresh Ramasubramanian | sureshr at staff.juno.com However, never daunted, I will cope with adversity in my traditional manner ... sulking and nausea. -- Tom K. Ryan