• Log to kev and start pine
• Select Setup, select Config, choose inbox-path
• Change inbox-path value to {cens.ioc.ee/user=USERNAME/ssl/NoValidate-Cert}INBOX where you should replace USERNAME with your login name.
• Exit setup and save the settings. Quit pine.
  
• Start pine and enter the password for cens when prompted.

pine has been replaced with alpine (a symlink exists).