You and your guests will see the messages in Booking.com Messaging Center.
Booking.com supports attachments in JPG format.
Currently messaging with guests from Booking.com has following limitations:
*Guests must click on "View Messages" in the email to login to Booking.com and answer from there.
*If a guest hits "reply" on E-mail they received from Booking.com, Booking.com does not send the reply to Beds24 and will also not make the reply available in Booking.com.