Current:
    Id     Email
    1      group@example.com
    2      group1@example.com;group2@example.com;group3@example.com
    3      group22@example.com

Goal is to get:
    Id     Email
    1      group@example.com
    2      group1@example.com
           group2@example.com
           group3@example.com
    3      group22@example.com