RE: date & header semantics of bulletin board messages

2003-03-27 Thread Bill McCoy
Mark, Thank you very much for your helpful answers. Your assumptions about my scenario (and my typos) were correct. One follow-up clarification in re: permanently tracking edited posts. My requirements include interoperability with other MUAs: I am creating a publicly-readable presentation of a m

Re: date & header semantics of bulletin board messages

2003-03-27 Thread Arnt Gulbrandsen
Bill McCoy writes: So my comment about DELETE-EXPUNGE and using timestamp or timestamp+sender as the basis of permanent links was based on the fact that the Outlook/Exchange model of editability does not preserve both copies, so that option for tracking edits is not available to me. ... Similarly,

RE: date & header semantics of bulletin board messages

2003-03-27 Thread Larry Osterman
A couple of comments below on E2K: > 3. Based on the above, and despite immutability of messages > and associated UIDs at the IMAP protocol level, a compliant > IMAP client may nevertheless choose to implement a user-level > model of editable body content for bulletin board posts. The > Exchang

RE: date & header semantics of bulletin board messages

2003-03-27 Thread Mark Crispin
On Thu, 27 Mar 2003 09:38:49 -0800, Bill McCoy wrote: > My requirements include interoperability > with other MUAs Good. > Similarly, unless I'm missing > something, searching for Message-ID as you suggested is not possible in this > situation: the original message is gone, the edited message of

RE: date & header semantics of bulletin board messages

2003-03-27 Thread Bill McCoy
Thanks. A few additional follow-up clarifications. Mark Crispin wrote that: > Normally, MUA edits of a message do not change the Message-ID. I don't know how to reconcile this comment with the language of RFC2822 as previously discussed which specifies that a Message-ID "...pertains to exactly o

Re: date & header semantics of bulletin board messages

2003-03-27 Thread Arnt Gulbrandsen
Bill McCoy writes: In any case my observations indicate that Outlook/Exchange 2000 does in fact change the Message-ID whenever a message is edited, both in the case where that message originated via "New Post in This Folder" and was subsequently edited (with the "Revise Contents" command) and a

RE: date & header semantics of bulletin board messages

2003-03-27 Thread Bill McCoy
Arnt Gulbrandsen writes: > When OE has edited a message, how can you discover that an edit has taken place? If by "you" you mean "OE user", OE provides a "Modified" field which although not part of the mail view by default is configurable within the UI, this displays (and can sort by) the time o

RE: date & header semantics of bulletin board messages

2003-03-27 Thread Mark Crispin
On Thu, 27 Mar 2003, Bill McCoy wrote: > > Normally, MUA edits of a message do not change the Message-ID. > I don't know how to reconcile this comment with the language of RFC2822 as > previously discussed which specifies that a Message-ID "...pertains to > exactly one instantiation of a particular