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如题,系统架构AS4+Sendmail,内网用户用Foxmail不用SMTP认证就收发一切正常,但是外网用户用Foxmail不启用SMTP认证都只可以发送,接收不好,显示“目标机器积极拒绝”?请问有高手知道吗?是不是没有启用认证造成的问题?还是其它的,如果做回SMTP认证啊??
TELNET 端口如下:
[root@mail ~]# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 localhost.localdomain ESMTP Sendmail 8.14.1/8.14.1; Mon, 9 Nov 2009 14:48:45 +0800
EHLO localhost
250-localhost.localdomain Hello mail [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE 20000000
250-DSN
250-ETRN
250-AUTH DIGEST-MD5 CRAM-MD5
250-DELIVERBY
250 HELP
请高手指点如何做回SMTP认证??谢谢 |
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