Case C-102/20: Judgment of the Court (Third Chamber) of 25 November 2021 (request for a preliminary ruling from the Bundesgerichtshof — Germany) — StWL Städtische Werke Lauf a.d. Pegnitz GmbH v eprimo GmbH (Reference for a preliminary ruling — Directive 2002/58/EC — Processing of personal data and the protection of privacy in the electronic communications sector — Article 2(h) — Concept of ‘electronic mail’ — Article 13(1) — Concept of ‘use of … electronic mail for the purposes of direct marketing’ — Directive 2005/29/EC — Unfair commercial practices — Annex I, point 26 — Concept of ‘persistent and unwanted solicitations by email’ — Advertising messages — Inbox advertising)