a directory named "yes" is created

[Robin M.]

sorry searching the documentation and google proved difficult with this.

Why would a directory called "yes" be created in every new mailbox.

i.e.
[pdc /var/spool/imap/domain/d/draftmail.org/r/user/robin]# ls -la
total 28
drwx------    3 cyrus    mail         4096 Feb  8 21:56 .
drwx------    3 cyrus    mail         4096 Feb  8 21:56 ..
-rw-------    1 cyrus    mail          719 Feb  8 21:56 1.
-rw-------    1 cyrus    mail          600 Feb  8 21:56 cyrus.cache
-rw-------    1 cyrus    mail          189 Feb  8 21:56 cyrus.header
-rw-------    1 cyrus    mail          136 Feb  8 21:56 cyrus.index
drwx------    2 cyrus    mail         4096 Feb  8 21:56 yes


This "yes" directory is created in every new mailbox. What is the purpose
of this ? Have I possibly misconfigured something or is it normal?
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