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sendmail.org의 FAQ에 이런게 있더군요.... ======================================================================= I'm getting these error messages: 553 MX list for domain.net points back to relay.domain.net 554 <user@domain.net>... Local configuration error How can I solve this problem? You have asked mail to a domain (e.g., domain.net) to be forwarded to a specific host (in this case, relay.domain.net) by using an MX record, but the relay machine doesn't recognize itself as domain.net. Add domain.net to /etc/mail/local-host-names [known as /etc/sendmail.cw prior to version 8.10] (if you are using FEATURE(`use_cw_file')) or add "Cw domain.net" to your configuration file. There are a couple of additional cases where you don't actually want local delivery, and thus adding domain.net to class w is not the right fix: When relay.domain.net should just be acting as a forwarder, e.g. a firewall/gateway box. The proper fix could be to set up a mailertable entry for domain.net. When relay.domain.net is a secondary (etc.) MX, and the MX mistakenly points to a CNAME or other "non-canonical" name [this gives "config error: mail loops back to me (MX problem?)"]. The proper fix is to point the MX at the actual name, a "work-around" to add the MX target to class w. IMPORTANT: When making changes to your configuration file, be sure you kill and restart the sendmail daemon (for any change in the configuration, not just this one): kill -HUP `head -1 /var/run/sendmail.pid` ====================================================================== 결국은 도메인을 제대로 인식을 못하니 sendmail.cw화일을 이용해서 수정을 하라는 내용이더군요. 지금은 잘 돌아갑니다.... 랄라!!!! : : 안녕하세요.... : : i686을 서버로 셋팅해서 메일 서버를 구축하려 합니다. : : : 현재 서버에는 NIC가 한장만 있고, IP도 하나만 할당했죠. : 그리고 이 서버에 Nameserver와 Sendmail을 설치했는데, : 내부에서 외부(내부 도메인에서 외부 도메인으로)로의 메일은 : 잘 전송이 되어서 나갑니다. : 문제는 외부에서 내부 도메인 사용자에게 메일을 보낼때인데요, : : 이런 에러가 나오는군요. : : 451 4.0.0 MX list for xxx.co.kr. points back to hostname.xxx.co.kr: No such file or directory : 554 5.3.5 <jkim@xxx.co.kr>... Local configuration error : : zone file은 이렇게 구성이 되어 있습니다. : : @ IN SOA ns1.xxx.co.kr. root.xxx.co.kr. ( : 2001030700 ; Serial : 28800 ; Refresh : 14400 ; Retry : 3600000 ; Expire : 86400 ) ; Minimum : IN NS ns1.xxx.co.kr. : IN NS ns2.xxx.co.kr. : IN HINFO "x86 pentium" "Alzza Linux" : IN MX 10 hostname.xxx.co.kr. : : ns1 IN A xxx.xxx.xxx.225 : ns2 IN A xxx.xxx.xxx.228 : hostname IN A xxx.xxx.xxx.225 : www IN A xxx.xxx.xxx.228 : ftp IN A xxx.xxx.xxx.225 : : : 어디에서 문제가 생기는 건지요? 제가 MX 레코드를 잘못 설정하였나요? : sendmail.cw는 아래와 같습니다. : # local-host-names - include all aliases for your machine here. : ns1.weknowdesign.co.kr : : 이것 때문에 8시간째 헤매고 있지만 뾰족하게 발전이 없군요. : : 도움 부탁합니다. 미리 감사....
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