How about my question? Any idea? > hi, > > One of our users wants to mail to the address > [EMAIL PROTECTED] but faild. The james reported > James.Mailet: RemoteDelivery: No mail server found > for: bdi.com.cn. > When I used nslookup I can get the following MX RR, > bdi.com.cn mail exchanger = 10 mail.bdi.com.cn. > bdi.com.cn mail exchanger = 10 > notesmtp.bdi.com.cn. > But if I used dig I found the TTL is 0s for those MX > RR: > bdi.com.cn. 0 IN MX 10 > mail.bdi.com.cn. > bdi.com.cn. 0 IN MX 10 > notesmtp.bdi.com.cn. > Then I looked into the source of DNSServer.java, I > found that when doing the DNS query, james first > tries > to find the result in the cache, if not exists then > it > queries the configed DNS to get the results and put > it > in to the cache, then it queries again from the > cache > and return the results. > But if the results TTL is 0s, I guess that the cache > would never caches them. So the second query from > cache could not get anything. > Why james must do the second query from the cache? > After the first query it gets the results and put > them > into the cache, why just return these results? > > Thanks > > > > _________________________________________________________ > Do You Yahoo!? > 流连网络世界的“你”是谁？ > http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.surveys.yahoo.com/cn_user_profile_study_may2003 > > --------------------------------------------------------------------- > To unsubscribe, e-mail: > [EMAIL PROTECTED] > For additional commands, e-mail: > [EMAIL PROTECTED] >
_________________________________________________________ Do You Yahoo!? 流连网络世界的“你”是谁？ http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.surveys.yahoo.com/cn_user_profile_study_may2003 --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
