On Fri, 26 Sep 2003, jhon wong wrote: > Hi,Davide: > > I give you some records from smtp log file, > where "domain.com" is my domain name, you > can see what RDNS result is: > > "" "domain.com" "211.149.111.76" "2003-09-25 13:51:59" "163.com" "299.net" > "[EMAIL PROTECTED]" "[EMAIL PROTECTED]" "S333DD" "RECV=OK" "" "4870" "B7C2Y0" > > "" "domain.com" "218.246.127.68" "2003-09-25 14:26:23" "MK" "299.net" > "[EMAIL PROTECTED]" "[EMAIL PROTECTED]" "S33419" "RECV=OK" "" "453" "IS~WYQ" > > "" "domain.com" "219.238.210.222" "2003-09-25 14:45:11" > "mail_server.chinahrd.net" "" "[EMAIL PROTECTED]" "[EMAIL PROTECTED]" "S334AF" > "RCPT=EAVAIL" "" "0" "MAIL_SERVER" > > I never set up IP alias.Please give me some help.
Those IPs do not have an external PTR record. Example : [EMAIL PROTECTED] davide]$ dig -x 211.149.111.76 ; <<>> DiG 9.2.1 <<>> -x 211.149.111.76 ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33427 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;76.111.149.211.in-addr.arpa. IN PTR ;; AUTHORITY SECTION: 149.211.in-addr.arpa. 86400 IN SOA ns.cnc.ac.cn. hostmaster.ns.cnc.ac.cn. 2002052201 10800 900 64800 86400 ;; Query time: 203 msec ;; SERVER: 204.127.199.8#53(204.127.199.8) ;; WHEN: Thu Sep 25 21:48:20 2003 ;; MSG SIZE rcvd: 104 - Davide - To unsubscribe from this list: send the line "unsubscribe xmail" in the body of a message to [EMAIL PROTECTED] For general help: send the line "help" in the body of a message to [EMAIL PROTECTED]
