前段†

↑

方針、戦略(と、途中での紆余曲折)†

↑

新戦略†

  1. t2.micro のリザーブドインスタンスの購入(済)
  2. t2.micrro インスタンス(本番サーバー置き換え用)を作成
  3. メールサーバー環境の構築(仮 IP、仮 証明書)
  4. 旧サーバーインスタンスを停止
  5. データ移行用インスタンスを起動
  6. EBS新旧を移行用サーバーにマウントしメールサーバーのデータをオフライン移行
  7. ELASTIC IP 付け替え、証明書移行 to 新サーバーインスタンス
  8. 新サーバー稼働、テスト
  9. 移行用サーバーインスタンスの停止
  10. 経過観察後、問題なければ旧サーバーインスタンスの停止
↑

AWS 側の設定†

↑

リザーブドインスタンスのダウングレード購入†

リザーブドインスタンス ID = 1f08ed93-6d03-45c0-8408-130000a5135a
↑

t2.micro インスタンスの新規作成†

↑

t2.medium インスタンスの設定方針(最終的な形)†

↑

t2.medium インスタンス†

↑

サーバー設定†

↑

メールサーバー環境(virtual mailbox 対応)の構築†

↑

Postfix Admin†

↑

clamav がメモリーを喰い潰す問題(は、程度の差こそあれ t2.small でも発生)†

↑

メールサーバーチェッカー 10/10 を一発取得†

Received: by mail-tester.com (Postfix, from userid 500)
	id C671FA84CE; Wed, 23 Sep 2020 06:05:15 +0200 (CEST)
Authentication-Results: mail-tester.com;
	dkim=temperror (0-bit key; unprotected) header.d=hmuna.com header.i=@hmuna.com header.b=PkL3aRQl;
	dkim-atps=neutral
X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on mail-tester.com
X-Spam-Level: 
X-Spam-Status: No/-0.2/5.0
X-Spam-Test-Scores: DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,
	DKIM_VALID_EF=-0.1,SPF_PASS=-0.001,URIBL_BLOCKED=0.001
X-Spam-Last-External-IP: 54.168.145.135
X-Spam-Last-External-HELO: mail2.hmuna.com
X-Spam-Last-External-rDNS: mail2.hmuna.com
X-Spam-Date-of-Scan: Wed, 23 Sep 2020 06:05:15 +0200
X-Spam-Report: 
	* -0.0 SPF_PASS SPF: sender matches SPF record
	* -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from
	*      envelope-from domain
	* -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from
	*      author's domain
	*  0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily
	*       valid
	* -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature
	*  0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was
	*      blocked.  See
	*      http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block
	*      for more information.
	*      [URIs: hmuna.com]
Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=54.168.145.135; helo=mail2.hmuna.com; envelope- from=public_mail@hmuna.com; receiver=test-iac1xgrmt@srv1.mail-tester.com 
DMARC-Filter: OpenDMARC Filter v1.3.1 mail-tester.com 750C2A84CE
Authentication-Results: mail-tester.com; dmarc=pass header.from=hmuna.com
Authentication-Results: mail-tester.com;
	dkim=temperror (0-bit key; unprotected) header.d=hmuna.com header.i=@hmuna.com header.b=PkL3aRQl; 
	dkim-atps=neutral
Received: from mail2.hmuna.com (mail2.hmuna.com [54.168.145.135])
	(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by mail-tester.com (Postfix) with ESMTPS id 750C2A84CE 
	for <test-iac1xgrmt@srv1.mail-tester.com>; Wed, 23 Sep 2020 06:05:11 +0200 (CEST)
Received: from localhost (mail2.hmuna.com [127.0.0.1])
	by mail2.hmuna.com (Postfix) with ESMTP id 86FD3BDD71
	for <test-iac1xgrmt@srv1.mail-tester.com>; Wed, 23 Sep 2020 13:05:08 +0900 (JST)
X-Virus-Scanned: Debian amavisd-new at mail2.hmuna.com
Received: from mail2.hmuna.com ([127.0.0.1])
	by localhost (ip-172-31-22-38.ap-northeast-1.compute.internal [127.0.0.1]) (amavisd-new, port 10024)
	with ESMTP id wq3NdD-vsXbN for <test-iac1xgrmt@srv1.mail-tester.com>;
	Wed, 23 Sep 2020 13:05:05 +0900 (JST)
MIME-Version: 1.0
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=hmuna.com; s=dkim;
	t=1600833905; bh=T3JVNWIKqLNE9srGASR8eT8PH5+lK4r3tOAkV8JFS1Q=;
	h=Date:From:To:Subject:From;
	b=PkL3aRQlA5kX1PJ3FWbN2Pd94Sd4B1eBvyvFY44qHUHwgDJB1vWEiO4mKYINqQ42H
	 aIahl7OhJ9RG2WLDesyqdWmX1cZ3OnwX9GCjz5ShJYRYTYLkO9Bhaz2jkGRyra9azA
	 T2hNxpgB+Egfosinbx+77PzFTmAxx1+L2hQXTnqKKC/Zntqc00i9gBaW62w9Sju67Q
	 6qHazZjJZe3fX06UDYl6qarJzG9cwyXFqJh6X1jOyeR3Cvulq25N0TxYN/g/bC2R+l
	 5hRmR7lELwkiQIFoQaPvqyHNYs1A0b7fR2JjZBQ33Ohrve+38z8LzwKjRSCkEGlp6z
	 uUGacjdOvWy0A==
Content-Type: text/plain; charset=US-ASCII;
 format=flowed
Content-Transfer-Encoding: 7bit
Date: Wed, 23 Sep 2020 13:05:05 +0900
From: public_mail@hmuna.com
To: test-iac1xgrmt@srv1.mail-tester.com
Subject: test mail
Message-ID: <b1cd71427944275c2fddffe817bb3aee@hmuna.com>
X-Sender: public_mail@hmuna.com
↑

メール振り分け処理 (procmail → dovecot-sieve に実装を変更)†

↑

dovecot sieve インストール†

↑

virtual mailbox への対応†

↑

managesieve†

↑

sieve programing†

↑

参考 URL†


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