On 02/13/2011 01:48 PM, [email protected] wrote:
Hello everyone
I have a problem with my qmailtoster. When one of my DNS server is
down i cant send email. When i try send email outside i have an error
message:DNS temporary failure. This hapen even if one DNS serverworks
correctly.
Does anyone know how can I solve it?
Sounds like you have lookups configured incorrectly on the system.
When a message is sent, a MX lookup in DNS takes place during the smtp
process. It will fail during this transaction, since the system cannot
lookup remote MX records to determine where to send mail to.
Double check your lookup configuration on this host. I thought I read
somewhere later in the thread that you have 127.0.0.1 listed in
resolv.conf - this would lead me to assume you have a caching DNS server
setup on this machine as well. If this is the case, for Bind, check your
named.conf file to ensure your forwarders include more than just the one
DNS server that goes down.
