search for: forward_ologin

I wanted to forward information from the director to the backend dovecot (original login name), so I had the userdb on the director return a forward_ologin variable. However, when I tried to use that variable in the "password_key" query on the backend dovecot, ${forward_ologin} was expanded to UNSUPPORTED_VARIABLE_forward_ologin. After testing a bit and looking around in the source a bit, and turning on debugging logging, it appeared that...