05:29 08:49 SMTPD(78b501600000044b) [192.168.1.254] connect 210.22.170.166 port 1394
05:29 08:49 SMTPD(78b501600000044b) [210.22.170.166] EHLO server
05:29 08:49 SMTPD(78b501600000044b) [210.22.170.166] AUTH
05:29 08:49 SMTPD(78b501600000044b) [210.22.170.166] AUTH
05:29 08:49 SMTPD(78b501600000044b) [210.22.170.166] AUTH
05:29 08:49 SMTPD(78b501600000044b) Authenticated user05@scit.sh.cn, session treated as local.
05:29 08:49 SMTPD(78b501600000044b) [210.22.170.166] MAIL FROM: <user05@scit.sh.cn>
05:29 08:49 SMTPD(78b501600000044b) [210.22.170.166] RCPT TO: <kennis_young@hotmail.com>
05:29 08:49 SMTPD(78b501600000044b) [210.22.170.166] DATA
05:29 08:49 SMTPD(78b501600000044b) [210.22.170.166] E:\Imail\spool\D78b501600000044b.SMD 14298
05:29 08:49 SMTP-(0000000000000000) Info - Adding Queue file E:\Imail\spool\Q78b501600000044b.SMD
05:29 08:49 SMTP-(78b501600000044b) processing E:\Imail\spool\Q78b501600000044b.SMD
05:29 08:49 SMTPD(78b501600000044c) [210.22.170.166] QUIT
05:29 08:49 SMTP-(78b501600000044b) [x] looking up hotmail.com in HOSTS and MX
05:29 08:50 SMTP-(78b501600000044b) [x] looking up hotmail.com by stack
05:29 08:50 SMTP-(78b501600000044b) [Att-Blk] Got Attachment Blocking Host Info for scit.sh.cn
05:29 08:50 SMTP-(78b501600000044b) Trying hotmail.com (0)
05:29 08:50 SMTP-(78b501600000044b) [x] Connecting socket to service <SMTP> on host <hotmail.com> using protocol <tcp>
05:29 08:50 SMTP-(78b501600000044b) [x] using source IP for scit.sh.cn [192.168.1.254]
05:29 08:50 SMTP-(78b501600000044b) Info - Adding hotmail.com to DNS cache - TTL = 1785
05:29 08:50 SMTP-(78b501600000044b) MX connect fail "64.4.33.7"
05:29 08:50 SMTPD(78da01480000044d) [192.168.1.254] connect 192.168.1.254 port 3122
05:29 08:50 SMTPD(78da01480000044d) [192.168.1.254] QUIT
05:29 08:50 SMTP-(78b501600000044b) MX connect fail "64.4.32.7"
05:29 08:50 SMTP-(78b501600000044b) Info - Adding hotmail.com to temporary skip list
05:29 08:50 SMTP-(78b501600000044b) requeuing E:\Imail\spool\Q78b501600000044b.SMD R0 T1
05:29 08:50 SMTP-(78b501600000044b) finished E:\Imail\spool\Q78b501600000044b.SMD status=3
05:29 08:51 SMTPD(791601600000044e) [192.168.1.254] connect 192.168.1.254 port 3130
05:29 08:51 SMTPD(791601600000044e) [192.168.1.254] QUIT
05:29 08:52 SMTPD(795201480000044f) [192.168.1.254] connect 192.168.1.254 port 3136
05:29 08:52 SMTPD(795201480000044f) [192.168.1.254] QUIT
05:29 08:53 SMTP-(0000000000000000) Info - Adding Queue file E:\Imail\spool\Q78b501600000044b.SMD
05:29 08:53 SMTP-(78b501600000044b) processing E:\Imail\spool\Q78b501600000044b.SMD
05:29 08:53 SMTP-(78b501600000044b) [x] looking up hotmail.com in HOSTS and MX
05:29 08:53 SMTP-(78b501600000044b) Info - Found hotmail.com in DNS Cache
05:29 08:53 SMTP-(78b501600000044b) Info - Found hotmail.com in skip list
05:29 08:53 SMTP-(78b501600000044b) requeuing E:\Imail\spool\Q78b501600000044b.SMD R0 T2
05:29 08:53 SMTP-(78b501600000044b) finished

请帮忙分析一下，谢谢

在局域网内外发收不到
但是用外网发送可以收到，很奇怪，请问为何啊？

不要拿HOTMAIL做测试，提供日志非一封发送日志。

但是，我每封发送都这样，不管是hotmail还是gmail，和服务器在一个内网发送就这样，我用外网链接发送就没有问题，这个怎么办？

建议向除了HOTMAIL以外的邮箱发送正规邮件，然后检查日志，在日志中搜索类似你以上日志中的“78b501600000044b”，然后全部贴出来，大家再帮你分析。

建议楼主从以下两点分析：
1。把DNS缓存给去除。
2。换一个DNS IP.