This will depend on your privacy settings. If you have enable Wedding Code or Guest List Match, guests will either have to provide your wedding code or their names & email, or both. If you've left your site public, then anyone can write you a note.
Champagne Toasts:
- If private: Guests log in to the Appy Couple app or wedding website with the wedding code, or name and email address
- Tap “Toasts” on the menu navigation
- Tap the plus sign on the screen
- Start typing directly into the text box
- Click the check mark once done to add and save
- To cancel, hit cancel on the bottom of the text box or exit out by clicking the X at the top of the screen