Rooting Defy + having BL7 (2.3.6 version) is kinda tricky cause of locked bootloader. Guys at XDA however did manage to root in recently...although no automated method is currently available,it is still 100% root-able.
Here are few links you'll need: LINK 1 LINK 2 (checkout page 5) Cannot vouch for this one, but still... All in one After root 1
Let me know the outcome, recently bought Defy+ 2.3.6