Your UF Business Email setting allows individuals from outside the university to email your account. If not set, the email will get bounced back to the sender.
Directions
1. Login to my.ufl.edu with your Gatorlink credentials.
2. Navigate to Main Menu -> My Account -> Manage UF Business Email
3. If not already assigned, set the left address under UF Business Email Address to your default email address. Such as gatorlink@ufl.edu
4. If not already assigned, set the right address under UF Deliver-To Email Address to your email address, but with the domain as mail.ufl.edu. For example gatorlink@mail.ufl.edu
5. Save any changes and exit MyUFL.