You have to be logged in to email people on spacebnb.
Flagged messages as spam will result in deactivating and removing your profile.
If you submit and advert, you can choose between phone or email contact or both.
If you prefer to be contacted by phone, you phone number will be partly hidden. Those who are interested need to click on 'reveal' to view the full phone number.
If you decide to get contacted by email, your email address won't be seen by anyone.