The EcpUrl-aggr element contains a value that, when appended to the value of the EcpUrl element (section, results in a URL that can be used to access email aggregation settings. It is an optional child element of the Protocol element (section<16> The value of the EcpUrl-aggr element is similar to the following: "?p=personalsettings/EmailSubscriptions.slab&exsvurl=1".