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rost2010schshmidt@yandex.ru: host mx.yandex.ru[77.88.21.249] said: 554 5.7.1 Message rejected under suspicion of SPAM; https://ya.cc/1IrBc 1740739938-EqcgpZ3E2eA0-3YfT7NJf (in reply to end of DATA command)