All the accounts on the SBCGlobal.net are currently maintained by AT&T, hence, should you need to reset your SBCGlobal.net email password, you will undergo the AT&T password reset procedure. It is not a terribly complex process, but it does demand that you either possess your recovery info (a recovery phone number or an alternate email, etc.) or know the answers to your security questions.
The following is a procedure on how to change your SBCGlobal.net email password:

Get to AT&T Page to Reset the Password: To start it off, access the AT&T password reset official page. Typically, this is the result of searching on Google, with the words AT&T password reset, or you can go to the official address of AT&T help page

Username (SBCGlobal.net E-mail Address): In the change password page, it will ask you to provide your User ID. This will be your complete SBCGlobal.net email address (E.g: yourname@sbcglobal.net). It is better to type it carefully because even a little mistake can not allow the system to pick up your account.

Select Verification Method: AT&T will provide you with a number of options which can be used to confirm identity after you key in your User ID. Such practices are meant to bar the reset of the password by other parties but the rightful holder of the account. A typical way of verification is:

Send a code to your stored/ registered mobile number: This is usually the fastest and the most convenient way in case you have a mobile number that is registered with your AT&T account. There will be a SMS or a phone call with a verification code.

Have code sent to following number: This is usually the fastest way and easiest in case you have a phone number connected to your AT&T register. A verification code will be availed through SMS or voice call.

• Enter the code that is at your recovery email: In the case you have a second email address linked to your AT&T account, a verification code would be sent to your alternate email.
• Security questions: Provide the correct answers in a case you have been having security questions when creating the account.
• Send temporary password: In certain instances a temporary password may be sent via a new email address or phone number.

Use the Prompts to Prove your Identity: Choose the verification option you like and follow the screen instructions. 

• In case you selected option of getting a code: You can type the code you received in a sms, phone call or email into a field on the at&t site.
• In case you have selected security questions: Enter security questions answers attentively. Be aware of capitalization and spelling since wrong responses will not allow you to go further.

Final Words.

In the above article you have learned about How do I reset my SBCGlobal net email password? and hopefully after reading the above guide you will understand the process of reseting the password. In case you want more assistance, then you need to contact to the official customer support