[Dovecot] "racing" error ???

[Andy Cravens]

FYI... this particular error was the result of not having a trailing / 
at the end of the default_mail_env when using maildir.

> Anybody know what this racing error means?  I've got hundreds of them 
> in my Dovecot log file.  I tried to search the archives but couldn't 
> find a search link.  Nothing on Google search either.
>
> dovecot: Aug 30 16:55:54 Error: IMAP(testuser): 
> maildir_file_do(/export/home/testuser/mail) racing
>