[Delphine-dvlpt] Delivery failure to <arenastore@yandex.ru> ...

[Mail D. S. <pos...@zu...>]

When trying to deliver your message, the mail server at host=master,from=zums.ac.ir encountered
problems with the following addresses:

For <are...@ya...>, Open (77.88.21.89) Error 0sec (554 5.7.1 Service unavailable; Client host [80.191.221.12] blocked using spamsource.mail.yandex.net; Blocked by spam statistics - see http://feedback.yandex.ru/?from=mail-rejects&subject=80.191.221.12)

For a more detailed explanation see http://netwinsite.com/surgemail/deliver_failed.htm