Prefix to construct the links that allow to accept and decline a meeting invitations by e-mail.
Warning: the partial web address with the character string .../crm/... in it is actually is a “pretty” URL that hides the (main) Efficy “broker” efficy.dll. And “pretty” URLs only work when the web site is configured correctly under IIS! Consult the manual Installing Efficy for details.
As of Efficy 11, notifications in the notifications feed are the default mode of operation, but you can still generate e-mail messages as well to notify users.