input: [Cookie] Campaign Name Cookie [Name] campaignName [Purpose] 
output: This cookie is created when you arrive at a DHL web page from a DHL promotional banner or from a link contained in a campaign / promotional email. The cookie stores a campaign ID, which uniquely identifies the campaign source. If you contact DHL using one of our online contact or registration forms within 24 hours of arriving at one of our websites, the campaign ID is attached with the email sent to DHL Sales or Customer Service. This information is solely used to assess how successful our campaigns are and monitor if customers have contacted us as a result of a campaign. The cookie stores no personal customer data at all, only the campaign's ID. The cookie expires after 24 hours only.