[HECnet] Anyone testing this mailing list's recipients?

Hi, Is anyone testing this mailing list's recipients? The reason I ask is: 06-02 00:07:58 NOREC SMTP OKBL DE 65.108.62.138:39112 cassini.dfupdate.se. 65.108.0.0/16 24940 HETZNER-AS, DE 06-02 00:07:59 NOREC SMTP OKBL DE 65.108.62.138:39112 cassini.dfupdate.se. 65.108.0.0/16 24940 HETZNER-AS, DE 06-02 00:33:06 NOREC SMTP OKBL DE 136.243.112.216:42384 static.216.112.243.136.clients.your-server.de. 136.243.0.0/16 24940 HETZNER-AS, DE 06-02 00:33:06 NOREC SMTP OKBL DE 136.243.112.216:42384 static.216.112.243.136.clients.your-server.de. 136.243.0.0/16 24940 HETZNER-AS, DE 06-02 00:34:26 NOREC SMTP OKBL DE 65.108.62.138:40994 cassini.dfupdate.se. 65.108.0.0/16 24940 HETZNER-AS, DE 06-02 00:35:02 NOREC SMTP OKBL DE 136.243.112.216:36476 static.216.112.243.136.clients.your-server.de. 136.243.0.0/16 24940 HETZNER-AS, DE 06-02 00:35:12 NOREC SMTP OKBL DE 136.243.112.216:36908 static.216.112.243.136.clients.your-server.de. 136.243.0.0/16 24940 HETZNER-AS, DE 06-02 00:40:02 NOREC SMTP OKBL DE 136.243.112.216:36476 static.216.112.243.136.clients.your-server.de. 136.243.0.0/16 24940 HETZNER-AS, DE 06-02 00:40:12 NOREC SMTP OKBL DE 136.243.112.216:36908 static.216.112.243.136.clients.your-server.de. 136.243.0.0/16 24940 HETZNER-AS, DE 06-02 00:45:56 NOREC SMTP OKBL DE 65.108.62.138:41946 cassini.dfupdate.se. 65.108.0.0/16 24940 HETZNER-AS, DE 06-02 00:57:11 NOREC SMTP OKBL DE 65.108.62.138:43082 cassini.dfupdate.se. 65.108.0.0/16 24940 HETZNER-AS, DE Activity from cassini.dfupdate.se is valid and expected. The other attempt(s) from static.216.112.243.136.clients.your-server.de was an attempted non-local relay to jessindewinter@gmail.com<mailto:jessindewinter@gmail.com> It wasn't exactly a problem and the attempt was denied with some tar-pitting along the way. Times in GMT+01:00 (BST) by the way. Keith