внешние ссылки на левые ресурсы

Системный администратор Сергей Н. пишет клиенту cyller:
Здравствуйте, поступила жалоба об использовании URL вашего сайта в спам-рассылке, что запрещено правилами хостинга. 
Просим уточнить, в каких целях на сайте используется ссылка 

Здравствуйте. 
 
Ссылка по прежнему активна и используется третьими лицами: 
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rc-dom.ru 80.249.233.129 - - [30/Jun/2018:19:09:24 +0000] "GET /redirect?url=https://ejournal.unisba.ac.id/index.php/mediator/comment/view/2735/0/4356 HTTP/1.1" 303 20 376 692 
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rc-dom.ru 5.189.179.45 - - [30/Jun/2018:19:09:29 +0000] "GET /redirect?url=http://classycutupscreations.com/2014/05/when-theyre-gone-theyre-gone/6a00d83497aa8e53ef01901b89d497970b/ HTTP/1.1" 301 20 408 616 
rc-dom.ru 5.189.179.45 - - [30/Jun/2018:19:09:29 +0000] "GET /redirect?url=http://classycutupscreations.com/2014/05/when-theyre-gone-theyre-gone/6a00d83497aa8e53ef01901b89d497970b/ HTTP/1.1" 301 - 449 512 
rc-dom.ru 43.239.223.189 - - [30/Jun/2018:19:09:39 +0000] "GET /redirect?url=https://wiki-atelierdeslois.lafranceinsoumise.fr/wiki/Utilisateur:UBLErika93465533 HTTP/1.1" 303 20 385 701 
rc-dom.ru 43.239.223.189 - - [30/Jun/2018:19:09:39 +0000] "GET /redirect?url=https://wiki-atelierdeslois.lafranceinsoumise.fr/wiki/Utilisateur:UBLErika93465533 HTTP/1.1" 303 - 480 474 
rc-dom.ru 91.121.64.196 - - [30/Jun/2018:19:09:52 +0000] "GET /redirect?url=http://jY.d4697s.e.s.o.jg7.9.5sg.up@dhavi.blog.gewinnspiele.es/php.php?a%5B%5D=%3Ca+href%3Dhttp%3A%2F%2Fwww.equiposgastronomicos.cl%2F%3Erefrigeradores+industriales%3C%2Fa%3E HTTP/1.1" 303 20 472 721 
rc-dom.ru 91.121.64.196 - - [30/Jun/2018:19:09:52 +0000] "GET /redirect?url=http://jY.d4697s.e.s.o.jg7.9.5sg.up@dhavi.blog.gewinnspiele.es/php.php?a%5B%5D=%3Ca+href%3Dhttp%3A%2F%2Fwww.equiposgastronomicos.cl%2F%3Erefrigeradores+industriales%3C%2Fa%3E HTTP/1.1" 303 - 567 494