[imp] imp through forwarded port

[Chuck Hagenbuch]

Quoting Delmer Wells <delmer at delmer.com>:

> Users login to imp by going to https://xxx.xxx.xxx.xxx:1080 and are then
> forwarded to a box behind the firewall.

You need to set the server_port variable correctly in either
horde/config/registry.php or horde/config/conf.php, depending on version
(which you didn't tell us).

-chuck

--
Charles Hagenbuch, <chuck at horde.org>
The alligators were there, too, in a bathtub inside the house.