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PostfixのSMTP Authを利用したメールリレー設定

Last updated at Posted at 2017-10-12

PostfixのSMTP Authを利用したメールリレー設定

ローカルネットワークに構築したPostfixサーバーからSMTP Authを要求するISP等のSMTPサーバーを利用してメールリレーする際の設定方法のメモ。

  1. /etc/postfix/smtp-auth を編集

[SMTPサーバー名] [ユーザー名]:[パスワード]

  1. /etc/postfix/main.cf を編集して設定項目を追加
    ※注意: relayhostの設定についてカッコは付けたまま記述します

relayhost = [SMTPサーバー名]:587
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/smtp-auth
smtp_sasl_security_options = noanonymous

  1. postmap hash:/etc/postfix/smtp-auth を実行してハッシュマップDBを更新する
  2. service postfix reload でPostfixの設定をリロードする
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