to allow email simply select the option below your reply (allow visitors to email you) in which the email goes thru the web site to your pvt email but the addresses remain anonymous. From there you can choose to exchange addresses if you choose.
P.S. regarding the parasite related BH, the key is removing the parasites as the source of infection, otherwise Antibiotics serve as merely a bandaid effect and the BH will always return. Best Luck.