Arkadaşımın bir mailine son bi aydır mail alınmıyor haliyle steam hesabı için kodda gelmiyor ayarlara baktım sorun yok kendisi de değiştirmemiş mail gidiyor fakat alamıyor..

yandexten hotmaile atıyorum hemen geri geliyor
Alıntı
Undelivered Mail Returned to Sender

This is the mail system at host yandex.ru.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

Please, do not reply to this message.


<***@duzcemail.com>: host duzcemail.com[195.244.34.137] said: 550
This\ address\ no\ longer\ accepts\ mail. (in reply to RCPT TO command)

İletim raporu:

Reporting-MTA: dns; forward16m.cmail.yandex.net
X-Yandex-Queue-ID: 49223256
X-Yandex-Sender: rfc822; ***@yandex.com
Arrival-Date: Mon, 26 Oct 2015 23:44:25 +0300 (MSK)

Final-Recipient: rfc822; ***@duzcemail.com
Original-Recipient: rfc822;***@duzcemail.com
Action: failed
Status: 5.0.0
Remote-MTA: dns; duzcemail.com
Diagnostic-Code: smtp; 550 This\ address\ no\ longer\ accepts\ mail.