The @bsumail.net accounts are lifetime accounts. They do not expire or go away. They are considered Microsoft accounts and are not administered by Ball State. Once you leave the university you will keep the @bsumail.net account for as long as you would like.
If you require further assistance or have any questions about your Ball State Email please visit the Technology Helpdesk Website to create a web-ticket for assistance. Alternatively you may call 765-285-1517 to speak with a representative.