status=bounced
Blocked for abuse. See http://att.net/blocks
应该是rbl起作用了吧 哈哈，看来这问题很多邮件服务器都没有考虑过，至少我看到sendmail,qmail,postfix,notes,mademon,exchange全部都有密码破解被利用发邮件的问题，要说是漏洞也不好讲，学校服务器上成千shell帐号还容易被人猜密码呢。 Postfix on a stand-alone Internet host
Postfix should work out of the box without change on a stand-alone machine that has direct Internet access. At least, that is how Postfix installs when you download the Postfix source code via http://www.postfix.org/.
You can use the command "postconf -n" to find out what settings are overruled by your main.cf. Besides a few pathname settings, few parameters should be set on a stand-alone box, beyond what is covered in the BASIC_CONFIGURATION_README document:
/etc/postfix/main.cf:
# Optional: send mail as user@domainname instead of user@hostname.
#myorigin = $mydomain
# Optional: specify NAT/proxy external address.
#proxy_interfaces = 1.2.3.4
# Alternative 1: don't relay mail from other hosts.
mynetworks_style = host
relay_domains =
# Alternative 2: relay mail from local clients only.
# mynetworks = 192.168.1.0/28
# relay_domains =
See also the section "Postfix on hosts without a real Internet hostname" if this is applicable to your configuration.
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