開発環境からGoogle Appsで管理しているメールアドレスにメールが飛ばなくなってしまった(一昨日まで問題なかったのに)。 エラーログは以下のとおり。 Feb 12 17:32:08 (サーバ名) postfix/smtp[1632]: E7049E4635: host aspmx.l.google.com[74.125.204.27] said: 450-4.2.1 The user you are trying to contact is receiving mail at a rate that 450-4.2.1 prevents additional messages from being delivered. Please resend your 450-4.2.1 message at a later time. If the user is able to receiv
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