This is a shameless copy of the original mail. I deleted the other one... Here's what I scratched from the web archive including my answer:

On 6.1.2011, at 22.57, Patrick Ben Koetter wrote:

...

Running dovecot 1.2.9 on a Ubuntu 10.04.1 LTS virtual machine. Postfix receives messages and hands them over to deliver for local storage. Today two mails came in that could not be found allthough they got delivered.

That shouldn't happen..

Agreed.

...

What catches my eye is the "?" in the msgid:

Jan 5 21:10:47 mail dovecot: deliver(consulting): msgid=? <14847_1294258245_ZZh0g1h9eLfxL.00_fc2fe6e910f03.4d24de54 at uni-bielefeld.de>: saved mail to INBOX

Is this with Pigeonhole or without? (I hope Ubuntu doesn't have cmusieve?)

sieve plugin is enabled. strings on lib90_sieve_plugin.so says it is Dovecot Sieve 0.1.13.

msgid=? doesn't bring anything specific to my mind. Also if it says "saved", then it really should be there..

Neither the MUA nor 'ls' could find it.

p@rick

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