On Wed, 2010-09-08 at 09:22 +0100, William Blunn wrote: > What's %%h ? > > http://wiki2.dovecot.org/Variables says that "%%" expands to "%", so > according to that, "%%h" expands to "%h". It does. > But I have seen people using "%%h", so it must mean something else. With shared mailbox location and prefix the expansion is done twice.