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- > >* always use the MessageID field as the key and
- > >lookup IMAP number either from the server or a
- > >client index. [sounds cumbersome, but is the
- > >db-esque way to do it]
-
- > There is another problem here. Not all mailers include a message-id.
-
- It is worse than this -- two messages can and often do have the same id. This
- can be legitimate (two real copies of the same message), but there are also
- some mailers that routinely emit duplicate ids. This is very unfortunate, but
- it is nevertheless a fact of Internet life.
-
- Ned
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