On 24 Jun 2015, at 20:56, Kevin Miller wrote:
I have a pretty large collection of email going back to 1992 that I've
moved between IMAP servers. Mailmate doesn't seem to be handling it
well.
Malemute is reporting the date of the move as the date of the message.
Hmm, I think that would only happen if headers have been added to the
message when it was moved -- but I also think I've seen such behavior (a
bug in my opinion) with Gmail. I seem to recall I also tried to work
around it...
By contrast, Thunderbird handles this correctly and has (sometimes)
been able to repair the mailboxes so that Apple's Mail.app views them
correctly.
That would indicate that Thunderbird changes the headers of the messages
-- or maybe (slightly more likely) the messages were corrupted in some
way that Thunderbird fixed.
Mail.app has the wrong date received, but reports the correct date
sent.
Mailmate has the wrong date received and reports "not available" in
gray for the date sent.
That sounds like wrong Received headers have been added to the messages
(as in the Gmail “bug”). The problem with the sent date might be a
bug in MailMate or MailMate is unable to parse some non-standard date
header. The latter is not unlikely even though it already handles a
ridiculous number of non-standard date variants.
I see that this is a known problem with IMAP. I'm not sure I have the
skill to run a server-side program like imapsync, but I'm open to
anything that might resolve this.
One or more example messages should make it possible for me to reproduce
the problem. You can send it to me off list.
--
Benny
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