[Dovecot] Pigeonhole: error while loading shared libraries

[Timo Sirainen]

On Wed, 2010-08-18 at 12:09 +0200, Sebastian Köhler wrote:

> managesieve-login: Error: dovecot/managesieve-login: error while loading
> shared libraries: libdovecot-login.so.0: cannot open shared object file:
> No such file or directory

Does "ldd /usr/libexec/dovecot/managesieve-login" show that it finds
libdovecot-login.so.0?

What OS is this?