Hi , i have i.e. warning: Unable to look up MX host mailin.v6.t-online.de this seems ok, cause we dont have any ip4 con yet also using
smtp_address_preference = ipv4 inet_protocols = ipv4 dig -t mx t-online.de ; <<>> DiG 9.7.0-P1 <<>> -t mx t-online.de ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17919 ;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 4, ADDITIONAL: 11 ;; QUESTION SECTION: ;t-online.de. IN MX ;; ANSWER SECTION: t-online.de. 3531 IN MX 10 mx03.t-online.de. t-online.de. 3531 IN MX 10 mailin.v6.t-online.de. t-online.de. 3531 IN MX 10 mx00.t-online.de. t-online.de. 3531 IN MX 10 mx01.t-online.de. t-online.de. 3531 IN MX 10 mx02.t-online.de. ;; AUTHORITY SECTION: t-online.de. 75270 IN NS dns00.btx.dtag.de. t-online.de. 75270 IN NS dns02.btx.dtag.de. t-online.de. 75270 IN NS dns50.t-ipnet.de. t-online.de. 75270 IN NS pns.dtag.de. ;; ADDITIONAL SECTION: mx00.t-online.de. 83214 IN A 194.25.134.8 mx01.t-online.de. 83214 IN A 194.25.134.72 mx02.t-online.de. 83214 IN A 194.25.134.9 mx03.t-online.de. 83214 IN A 194.25.134.73 mailin.v6.t-online.de. 75270 IN AAAA 2003:2:2:10:fee::32 mailin.v6.t-online.de. 75270 IN AAAA 2003:2:2:10:fee::33 i guess the warning is based by lookup done for using i.e check_sender_mx_access cidr:/etc/postfix/bogon_networks.cidr .0.0.0/8 REJECT IP address of MX host is a bogus address 127.0.0.0/8 REJECT IP address of MX host is a loopback address 224.0.0.0/12 REJECT IP address of MX host is a multicast address 255.0.0.0/8 REJECT IP address of MX host is a bogus address 10.0.0.0/8 REJECT IP address of MX host is a RFC1918 address 169.254.0.0/16 REJECT IP address of MX host is a RFC1918 address 192.0.2.0/24 REJECT IP address of MX host is a RFC1918 address 240.0.0.0/12 REJECT IP address of MX host is a reserved address is there a way to get out of the log warning.. or should i simply ignore this ? mails pass in anyway -- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria
