[Dovecot] SpamAssassin and Maildir with Dovecot

[Kenneth Porter]

A patch has been proposed for SpamAssassin to process Maildir folders of 
spam:

<https://issues.apache.org/SpamAssassin/show_bug.cgi?id=3003>
Is this patch compatible with Dovecot's implementation of Maildir? For 
example, is anything needed to avoid stepping on Dovecot's metadata?