.wl, specify your primary account; this is the one that will be used for unqualified folder names, such as
(setq elmo-imap4-default-server "imap.example.com"
.folders, specify the two hierarchies that you want to see in your Summary buffer:
You may need to use double quotes around your user name if it contains any special characters, such as
Restart Wanderlust, go to the root of the folder hierarchy, and press
M-RET twice. You should see all of your folders appear. The first time you enter a folder, you'll be prompted for a password. Once you've entered all your passwords, say
You'll probably want to customise
wl-dispose-folder-alist is useful if you want to avoid copying deleted messages between servers. If one of the two servers is slow, you can prevent Wanderlust from checking it for new mail using