local network. Turn off mail receiving on OLD_HOST, run btrbk to move
mail to NEW_HOST, turn on mail receiving on NEW_HOST.
local network. Turn off mail receiving on OLD_HOST, run btrbk to move
mail to NEW_HOST, turn on mail receiving on NEW_HOST.
-w Don't try to ssh to wrt. Should only be used in unusual network situation.
-h|--help Print help and exit.
-w Don't try to ssh to wrt. Should only be used in unusual network situation.
-h|--help Print help and exit.