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我的服务器是solaris8,sendmail8.11.7,做邮件及dns服务,以前正常,在那天打了solaris8的推荐补丁后,不能向外发邮件,但是可以收到邮件,可以在内部收发邮件。
向外发邮件后,返回提示:
The original message was received at Wed, 21 Jul 2004 13:32:29 +0800 (CST)
from [10.10.0.34]
----- The following addresses had permanent fatal errors -----
<fei_0011@sina.com>;
(reason: 550 Host unknown)
----- Transcript of session follows -----
550 5.1.2 <fei_0011@sina.com>;... Host unknown (Name server: mailhost.mnu.edu.cn: host not found)
他们可有可能是dns的问题,但是我测试过来了,好像没有什么问题的。请大家看看
# nslookup
Default Server: mail.mnu.edu.cn
Address: 210.41.152.10
>; mail.mnu.edu.cn
Server: mail.mnu.edu.cn
Address: 210.41.152.10
Name: mail.mnu.edu.cn
Address: 210.41.152.10
>; www.sina.com.cn
Server: mail.mnu.edu.cn
Address: 210.41.152.10
Name: jupiter.sina.com.cn
Addresses: 202.205.3.130, 202.112.8.2
Aliases: www.sina.com.cn
>;
配置如下:
# more named.conf
options {
directory "/var/named";
};
zone "0.0.127.in-addr.arpa" in {
type master;
file "db.local";
};
zone "." in {
type hint;
file "db.cache";
};
zone "mnu.edu.cn" in {
type master;
file "db.mnu.edu.cn";
};
zone "152.41.210.in-addr.arpa" in {
type master;
file "db.152.41.210";
};
# more /var/named/db.mnu.edu.cn
; Created Wed Apr 7 20:15:00 CST 2004 by services/ns-admin
; from setup@10.10.0.34
;
@ IN SOA mail.mnu.edu.cn. root.mnu.edu.cn. (
2962953982 ; serial
10800 ; refresh
3600 ; retry
604800 ; expire
86400 ) ; min ttl
mnu.edu.cn. IN MX 10 mail
mnu.edu.cn. IN NS mail
mnu.edu.cn. IN A 210.41.152.10
mail IN A 210.41.152.10
www IN A 61.139.94.206
pridns IN CNAME mail
# more /var/named/db.152.41.210
; Created Wed Apr 7 20:15:00 CST 2004 by services/ns-admin
; from setup@10.10.0.34
;
@ IN SOA mail.mnu.edu.cn. root.mnu.edu.cn. (
1081340100 ; Serial Number
10800 ; Refresh after 3 hours
3600 ; Retry after 1 hour
604800 ; Expire after 1 week
86400 ) ; Minimum TTL of 1 day
@ IN NS mail.mnu.edu.cn.
10 IN PTR mail.mnu.edu.cn.
#
这是为什么呢 |
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