https://www.vedomosti.ru/library/news/2008/07/18/v-sovete-federacii-ustanovili-kolichestvennyj-porog-dlya-jelektronnogo-spama?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=v-sovete-federacii-ustanovili-kolichestvennyj-porog-dlya-jelektronnogo-spama