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@halpas

CentOSでIPv6を無効にするとPostfixが動作しない

Last updated at Posted at 2017-09-13

概要

CentOS7でIPv6を無効化すると、メール送信がエラーとなる。

send-mail: fatal: parameter inet_interfaces: no local interface found for ::1

対処法

::1はIPv6のlocalhostのため、IPv6絡み。

hostsの該当行をコメントアウトすれば解決する

vi /etc/hosts

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
# ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

サービス再起動も忘れずに

systemctl restart postfix.service

参考：CentOSでIPv6 を無効にするとメールが送れなくなった - Qiita

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