That's pretty rude to say the least.
Some time ago already Yandex used to harass me with automatically generated nag screens suggesting I was generating "spam".
They get past my filters because their emails are sent under fake Gmail and Hotmail address.
Он будет предупреждать об опасных сайтах, быстро загружать страницы даже при медленном интернете, а ещё — переводить иностранные видео.
The usability is excellent.
That started upon sending my second message that year.