1 Magnolia Beach entered the wrong mail address to list my property Hi I have entered the wrong mail address while listing my property.How do i change it? 3 Jessie & Jay (… Hi Magnolia Beach You will need to contact BDC (booking.com) support for this type of correction as I do not see any way to edit using the extranet (admin.booking.com). Using the extranet (admin.booking.com). Select the "InBox" icon --> then "Booking.com Messages". From there on the lower right side of the screen, you will see "Compose a new message" icon you can click on to email support. Alternately below the is "Other Questions" with a local support phone number.