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-rwxr-xr-xmail/entrypoint.sh5
1 files changed, 5 insertions, 0 deletions
diff --git a/mail/entrypoint.sh b/mail/entrypoint.sh
index 267ea03..49d8d64 100755
--- a/mail/entrypoint.sh
+++ b/mail/entrypoint.sh
@@ -14,6 +14,11 @@ if [[ ! -f "$KEY_FILE" ]]; then
exit 1
fi
+# Docker の embedded DNS (127.0.0.11) は MX クエリを解決できないことがあるため
+# 外部 DNS に差し替える(コンテナ内の名前解決は不要なので問題なし)
+sed -i 's/nameserver 127.0.0.11/nameserver 8.8.8.8/' /etc/resolv.conf
+echo 'nameserver 1.1.1.1' >> /etc/resolv.conf
+
# Start rsyslog for Postfix logging
rsyslogd