| Description | The user's e-mail address |
| # of values | Multiple |
| Permissible values | All valid e-mail addresses (RFC 822) |
| Semantics | Contains the e-mail address(es) where the user wishes to receive electronic mail |
| Examples | jens@adm.ku.dk, anders@paradisaeblevej.dk |
| Typical use | |
| LDAP name | |
| WAYF status | MAY |
| Notes | The use of an e-mail address as user name at a service is strongly discouraged. For any institution can send any e-mail address for any user — not just ones within its own domain/scope. |