mxbacks.mail.yandex.net	smtp:mxbacks.mail.yandex.net
yabacks.yandex.ru	smtp:yabacks.yandex.ru
services.mail.yandex.net	smtp:services.mail.yandex.net
mxbacks.yandex-team.ru	smtp:mxbacks.yandex-team.ru

devnull@yandex.ru discard: drop recipient
devnull@yandex.ua discard: drop recipient
devnull@yandex.by discard: drop recipient
devnull@yandex.kz discard: drop recipient
devnull@yandex.com discard: drop recipient
devnull@yandex.com.tr discard: drop recipient
devnull@yandex-team.ru discard: drop recipient
devnull@ya.ru discard: drop recipient

lastmail.co error: not allowed
