Fix: Send-Mail: Warning: Inet_protocols: IPv6 Support Is Disabled

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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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