Yes, it’s possible to transfer Bellsouth’s email to Gmail through Bellsouth Customer Service. The customers should follow these steps, you should first click on the cogwheel icon at the top-right corner of the page, and then select "Settings" in the menu that opens. Next, you should enter your full bellsouth.net email address in the window that opens, and then click on the "Next" button. Subsequently, you should select the "Import emails from my other account (POP3)" option and click "Next". Your Bellsouth emails will be successfully transferred to Gmail.
https://www.emailsupport-contact.net/bellsouth-email/