I got an inquiry through vrbo last night. I responded like I always do, through gmail as a reply to the inquiry. This morning I had another inquiry from the same renter saying that she tried to respond back to my message but got this page:

I tried to respond directly from the email you sent back to me, but it goes to an "owner" sign in page.

Is this a glitch on her part? Anyone else having this problem? Is this part of the new secure communications? If so, why would she go to an owner's page as a renter?