> in a mailbox name. If a server decided to use 'a' as the separator > character, then the same would apply. FWIW, you can tell Cyrus to use > '/' as the separator by enabling the unixhierarchysep option in imapd.conf.
Has anyone reported any client issues by changing this setting? SquirrelMail I can fudge the configs on easily; pine users, I know I can't change (and I know their configs are typically hard set). What about the various GUIs? Anyone have experience with converting from "." to "/"?