421 Service not available, closing transmission channel Grey listed
Mar 9 10:55:33 mailcenter sendmail[11254]: o292tXZb011254: from=<service@*.com>, size=9671, class=0, nrcpts=1, msgid=<10707071.1268103346002.JavaMail.root@actools-1>, proto=ESMTP, daemon=MTA, relay=[192.168.80.3]Mar 9 10:55:35 mailcenter sendmail[11256]: STARTTLS=client, relay=bdc-edge02.com., version=TLSv1/SSLv3, verify=OK, cipher=AES256-SHA, bits=256/256
Mar 9 10:55:41 mailcenter sendmail[11256]: o292tXZb011254: to=<[email]xie.k@edge02.com[/email]>, ctladdr=<service@*.com> (60109005/60109005), delay=00:00:08, xdelay=00:00:08, mailer=esmtp, pri=129671, relay=bdc-edge02.com. [192.44.18*.14], dsn=5.0.0, stat=Service unavailable
Mar 9 10:55:41 mailcenter sendmail[11256]: o292tXZb011254: o292tfZb011256: DSN: Service unavailable
dsn=4.0.0, stat=Deferred: 421 Service not available, closing transmission channel Grey listed.
有人知道为啥？
多谢 stat=Deferred: 421 Service not available, closing transmission channel Grey listed.
主机无法提供正常服务，关闭传送管道，邮件将滞留在主机上
根本没有办法将邮件送到对方主机上面.检查网络方面原因
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