On 9/5/2011 4:36 PM, Tony Finch wrote:
ODMR is better than POP in retaining the message envelope and not having
the "keep mail on server" loophole.
I'm not quite seeing this if the comparison is with POP. Can you
POP has been abused for last-hop delivery to intermittently connected hosts
In fact, during the development of the Internet Mail Architecture document, I
argued rather vigorously that it really /is/ a last-hop delivery protocol,
rather than being and 'access' protocol that parallels IMAP.
Community consensus went vigorously against me on that. Certainly typical
implementations don't really support a 'last-hop relay' model well or at all, as
evidenced by DSN being issued /before/ POP pickup...