I'm using this docker container for a internal only e-mail server and I've got a lot of timeouts/log entries from postscreen/dnsblog like these:
Apr 16 13:11:19 mail postfix/dnsblog[1289]: warning: dnsblog_query: lookup error for DNS query 7.42.168.192.list.dnswl.org: Host or domain name not found. Name service error for name=7.42.168.192.list.dnswl.org type=A: Host not found, try again
Apr 16 13:11:19 mail postfix/dnsblog[1290]: warning: dnsblog_query: lookup error for DNS query 7.42.168.192.zen.spamhaus.org: Host or domain name not found. Name service error for name=7.42.168.192.zen.spamhaus.org type=A: Host not found, try again
Apr 16 13:11:19 mail postfix/dnsblog[1288]: warning: dnsblog_query: lookup error for DNS query 7.42.168.192.bl.spameatingmonkey.net: Host or domain name not found. Name service error for name=7.42.168.192.bl.spameatingmonkey.net type=A: Host not found, try again
Apr 16 13:11:19 mail postfix/dnsblog[1286]: warning: dnsblog_query: lookup error for DNS query 7.42.168.192.b.barracudacentral.org: Host or domain name not found. Name service error for name=7.42.168.192.b.barracudacentral.org type=A: Host not found, try again
Apr 16 13:11:19 mail postfix/dnsblog[1287]: warning: dnsblog_query: lookup error for DNS query 7.42.168.192.bl.mailspike.net: Host or domain name not found. Name service error for name=7.42.168.192.bl.mailspike.net type=A: Host not found, try again
Apr 16 13:11:19 mail postfix/dnsblog[1285]: warning: dnsblog_query: lookup error for DNS query 7.42.168.192.bl.spamcop.net: Host or domain name not found. Name service error for name=7.42.168.192.bl.spamcop.net type=A: Host not found, try again
Apr 16 13:11:19 mail postfix/postscreen[1284]: warning: dnsblog reply timeout 10s for bl.spamcop.net
Apr 16 13:11:19 mail postfix/postscreen[1284]: warning: dnsblog reply timeout 10s for b.barracudacentral.org
Apr 16 13:11:19 mail postfix/postscreen[1284]: warning: dnsblog reply timeout 10s for bl.mailspike.net
Apr 16 13:11:19 mail postfix/postscreen[1284]: warning: dnsblog reply timeout 10s for bl.spameatingmonkey.net
Apr 16 13:11:19 mail postfix/postscreen[1284]: warning: dnsblog reply timeout 10s for list.dnswl.org
Apr 16 13:11:19 mail postfix/postscreen[1284]: warning: dnsblog reply timeout 10s for zen.spamhaus.org
Apr 16 13:11:19 mail postfix/postscreen[1284]: warning: dnsblog reply timeout 10s for dnsbl.sorbs.net
Apr 16 13:11:19 mail postfix/postscreen[1284]: warning: dnsblog reply timeout 10s for psbl.surriel.com
The question is: Is there any way to disable the dnsblog feature completly or empty the dnsbl_sites variable? Switching the ACTION envvar won't do it because it still performs the lookups and it takes nearly 5-10 seconds to send an internal e-mail because of this.
I'm using this docker container for a internal only e-mail server and I've got a lot of timeouts/log entries from postscreen/dnsblog like these:
The question is: Is there any way to disable the dnsblog feature completly or empty the dnsbl_sites variable? Switching the ACTION envvar won't do it because it still performs the lookups and it takes nearly 5-10 seconds to send an internal e-mail because of this.