On Thu, 25 Oct 2007, Andrew Johnson wrote:

> #     Disposition-Notification-To:
> #     Receipt-Requested-To:
> #     Confirm-Reading-To:
> #     MDRcpt-To:
> #     MDSend-Notifications-To:
> #     Smtp-Rcpt-To:
> #     Return-Receipt-To:
> #     Read-Receipt-To:
> #     X-Confirm-Reading-To:
> #     X-Acknowledge-To:
> #     Delivery-Receipt-To:
> #     X-PMrqc
> #     Errors-To

(Useful list, thanks).

Along similar lines, does anyone have a list of headers on incoming mail 
for which it is desirable to rename or delete?  My list (which I do not 
yet do anything with) has:

X-IMAPBase:
X-IMAP
X-UID
Status
X-Status
X-UIDL
X-Keywords
X-Mozilla-Status
X-Mozilla-Status2

plus potentially some of the ones quoted above.

The problem with these is that only mail clients are supposed to be using 
these headers internalyl to track the status of messages; having them 
already present on incoming mail can mess mail boxes up, possibly 
maliciously.

Jethro.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jethro R Binks
Computing Officer, IT Services
University Of Strathclyde, Glasgow, UK

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