Surveillance Type HD_30_EMAIL comprises the retroactive surveillance of secondary telecommunications data of an email service. The following secondary telecommunications data of the past telecommunication sent, processed or received via the service under surveillance must be transmitted:
- the date, the time, the type of event, the subscriber identifiers, if applicable the alias address, the sender and recipient addresses, the protocol used, the IP addresses and port numbers of the server and the client, and, if applicable, the delivery status of the message in the case of the following events: sending, receipt, mailbox log-in, mailbox log-out and in the case of the following events, if available: downloading, uploading, deletion, processing, addition of a message;
- the IP addresses and names of the sending and receiving email servers.