sendmail发信奇怪问题

使用的os:freebsd,senmail。
用户反映发送邮件退信。
信息如下:
< ******@liba.com>,< ****** @liba.com>,< ****** @liba.com>,< ****** @liba.com
>,< ****** @liba.com>,< ****** @liba.com>... Deferred: Name server: mail.
liba.com.: host name lookup failure
在服务器上查看记录,有如下信息:
ruleset=tls_server, arg1=SOFTWARE, relay=mail.liba.com, reject=403 4.7.0 TLS handshake failed.
 
解决方法:
在sendmail的access文件添加
Try_TLS:mail.liba.com NO
然后重新生成access.db文件
#makemap hash /etc/mail/access.db < /etc/mail/access
 
发信测试记录:
Apr 13 10:24:17 mm001 MTA_25[16439]: o3D2OHk0016439: from=< bohan@****.com.cn>, size=577, class=0, nrcpts=1, msgid=< 201004130224.o3D2OHUF016438@*****.com>, proto=ESMTP, daemon=MTA-v4, relay=localhost [127.0.0.1]
Apr 13 10:24:17 mm001 MTA_25[16439]: o3D2OHk0016439: Milter accept: message
Apr 13 10:24:17 mm001 sendmail[16438]: o3D2OHUF016438: to=******@liba.com, ctladdr=bohan@****.com.cn (1077/1000), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30227, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (o3D2OHk0016439 Message accepted for delivery)
Apr 13 10:24:18 mm001 MTA_25[16441]: o3D2OHk0016439: to=< ****** @liba.com>, delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=30577, relay=mail.liba.com. [222.68.187.34], dsn=2.0.0, stat=Sent (< 201004130224.o3D2OHUF016438@******.com> Queued mail for delivery)
 
参考:
http://sial.org/howto/sendmail/tips/

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