This article is for UTORmail clients. Those who are using UTORexchange should use the Global Address List (GAL).
LDAP allows you to find or verify email addresses by connecting to the University of Toronto's online address book. Through the U of T LDAP, you can use your mail program to send email to people at U of T without knowing their email address beforehand. If you want to be able to do this, follow the appropriate link below.