Strange Outlook 2007 mail did not arrive

[Simon Matter]

> Hello
>
> I have a strange issue. My setup is FreeBSD 7.2 amd64 and the newest
> Cyrus Imapd (.15).:
> In the maillog from sendmail I see  that the mail will transfered to
> Cyrus but it never arrived in the addressed mailbox (of course I tried
> different addresses...). I find out that, if I re-send a specific mail
> the mail did not arrived but if I write the mail new (same text and
> subject) it arrived. The only difference I find, was the message id
> field in the header.

Outlook is broken. If you re-send a mail it is a new mail but Outlook
insists on using the same message id again. You can find an KB entry at
Microsoft which describes the bug. The "solution" Microsoft provided was
to force Exchange to always generate a new message id :)

Regards,
Simon

>
> (sorry for wrapping the lines)
>
> The bad one:
> msgid=<!&!AAAAAAAAAAAYAAAAAAAAAHLJOa0CLtBIlvvDvgZBml3CgAAAEAAAAO+MSX+TYT9LnyICYgHv254BAAAAAA==@abc.c>
>
> The good one:
> msgid=<000401ca56ea$6babfd10$4303f730$@ch>
>
> Any ideas are welcome.
>
> Kind regards,
> --
> Martin Schweizer
> schweizer.martin at gmail.com
> Tel.: +41 32 512 48 54 (VoIP)
> Fax: +1 619 3300587
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