[Delphine-dvlpt] Delivery Status Notification

[<mai...@vi...>]

This is the mail system at host know-smtprelay-2-imp. I am sorry to have to inform you that your message could not be delivered to one or more recipients. The message is attached below. The remote mail system said: 5.7.1 Service unavailable; Client host [81.104.62.34] blocked using spamsource.mail.yandex.net; Blocked by spam statistics - see http://feedback.yandex.ru/?from=mail-rejects&subject=81.104.62.34