[Dovecot] Serve list archives by dovecot IMAP

Has anyone considered setting up a Dovecot public server to serve the list archives by IMAP? Or does Dovecot not do anonymous read-only access?

(I note by comparison that the Cyrusoft Mulberry list archives are served by an IMAP server. http://www.cyrusoft.com/mulberry/support/anonimap.html)

It should be sufficient to set up Dovecot on some server in the dovecot.org domain and subscribe it to the lists.