4. The method according to claim 1 , wherein the electronic messaging system resides on a mobile wireless communication device.
1. A method for locating a certificate in an electronic messaging system, wherein acts of the method are performed by a processor of a computing device, comprising: obtaining a recipient address for an electronic message to be sent by the electronic messaging system, said recipient address comprising a first user name and a first domain name; searching for a certificate of the recipient based on a match with the recipient address; automatically searching for the certificate of the recipient based on a canonical name associated with the recipient address if no match occurs based on the recipient address, wherein the canonical name is the recipient address with both the first domain name truncated to identify a second domain name and the first user name truncated to identify a second user name; and providing an indication of whether the certificate of the recipient has been found.