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Postfix使用过程中出现如下报错，我们将网络协议指定为IP4即可.
send-mail: warning: inet_protocols: IPv6 support is disabled: Address family not supported by protocol
send-mail: warning: inet_protocols: configuring for IPv4 support only
postdrop: warning: inet_protocols: IPv6 support is disabled: Address family not supported by protocol
postdrop: warning: inet_protocols: configuring for IPv4 support only
查看当前inet_protocols
# /usr/sbin/postconf | grep inet_protocols inet_protocols = all
修改ipv4
# vi /etc/postfix/main.cf inet_protocols = all 改为 inet_protocols = ipv4
重启postfix
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