You are issued a "myUTSA" e-mail address when you activate your myUTSA ID. All official UTSA communications will be sent to this email address, unless you change it. If you wish to use a personal email account to recieve official UTSA communications, which includes important Financial Aid and Registration information, login to ASAP to change your preferred e-mail address.
All UTSA official correspondence is sent to your preferred email address, as selected on ASAP.
Log in to your ASAP account and click the "Personal Information" tab, then click "Update E-mail Addresses".