Re: Postscreen dnsblog logentries
- On Mar 20, 2013, at 09:53, Remy Zandwijk <remy@...> wrote:
> Marko,The DDOS attack did not affect DNS resolution, just the website and
>> i see alot of entries from postfix/dnsblog in my logs like this:
>> postfix/dnsblog: warning: dnsblog_query: lookup error for DNS query 126.96.36.199.xxxxxxxxxxxxxx.zen.dq.spamhaus.net: Host or domain name not found. Name service error for name=188.8.131.52.xxxxxxxxxxxx.zen.dq.spamhaus.net type=A: Host not found, try again
>> does this mean zenhaus is not reachable or is the ip in that request not giving any result?
> Spamhaus is victim of a DDOS attack: http://news.softpedia.com/news/Anonymous-Hackers-Launch-DDOS-Attack-Against-Spamhaus-338382.shtml
mail handling. Ours has run unaffected.
Check your configuration in 'master.cf', and make sure you are not
running with increased logging for 'dnsblog'.
If that is not the case, verify that the DNS servers configured on the
system work as intended, that you have an active subscription for the
Spamhaus commercial service, and so on.
- Hi All,
I want to migrate from Microsoft Exchange Server to Postfix mail server. please give your valuable suggestion.
Ashok Kumar J