The following guide presents steps how to evaluate the SMIME + WebID? ODS-Mail Support:
http://ods-qa.openlinksw.com/dataspace/person/john#this
Your mail client should be set so the be able to send digitally signed messages using the generated from above SMIME+WebID? certificate. For example, if your mail client is Thunderbird Version 8.0 (on Windows XP):