Ошибка SMTP

[Mudvayne Профиль ICQ]

Всем привет!!!у меня такая проблема
Постоянно в Журнале событий сыпится ошибка

source: smtpsvc event: 2013
SMTP could not connect to any DNS server. Either none are configured, or all are down.

и

source: smtpsvc event: 2012
SMTP could not connect to the DNS server '212.19.149.54'. The protocol used was 'UDP'. It may be down or inaccessible.

где 212.19.149.54 - IP провайдера

Смотрел на ewentid.net ничего путного не нашёл
Может кто подскажет с чем это связано и как с этим бороться???

[slz Профиль]

Проверить настройки и работу ДНС.
Проверить очереди доставки, смотреть что и куда доставляется или пытается, особенно NDR.
Для диагностики и решения проблем , поставить SMTPDiag tool - http://www.microsoft.com/downloads/deta ... laylang=en
http://www.msexchange.org/tutorials/SMT ... P-DNS.html
а также ExBPA - http://www.microsoft.com/downloads/deta ... laylang=en

[Mudvayne Профиль ICQ]

Спасибо за инфу!!!
но мне кажется что всё гораздо проще
Тем более что DNS пашет нормально
Nslookup прошёлся всё нормально распазнаёт

Я думаю что трабла в очередях
читай:
a. Load exchange system manager and then click the + on Global Settings.
b. Right click on Delivery options and choose Properties.
c. Click on the tab for "Recipient Filtering".
d. I checked the box for "filter recipients that are not in the directory". Once this box is checked the server gives you a message that you still have to make another setting to complete the process as described in next step.
e. As a final setting you have to go to the SMTP Virtual Server (also in the exchange system manager under the server) right click on the SMTP virtual server and choose Properties. Now go to Advanced for the IP address and click EDIT for the IP address (usually unassigned) and you will see a check box that says "Apply Recipient Filter". Check that box.
f. Now this will stop the exchange server from taking a message to a user that does not exist on your domains (active directory in this case) and sending NDR reports back to the spammers reducing traffic on the server.
You can also delete all the messages currently in your Exchange queue by stopping the SMTP server, deleting all the files under “C:\Program Files\Exchsrvr\Mailroot\vsi1\Queue” and restart the SMTP service. Remember these messages are not delivered because the addresses they are being sent to do not exist (unless you have an extremely busy server and very low bandwidth in which case you better open some of them and verify they are all junk). This fix resolved the problem for me.