postfixのlogを覗いていて、色々と問題行動ばかり見てきた。
まともなやり取りが見たいと、自分でGmailとk-in.co.jpとの遣り取りをわざわざ作ってみた。
綺麗なログ（間に嵌るscannerとかを除いたもの）を並べてみようと思う。
k-in.co.jpからgmailへ
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Aug 07 11:21:47 mail postfix/smtps/smtpd[19223]: connect from macmi2.lo.k-in.co.jp[192.168.0.36] Aug 07 11:21:47 mail postfix/smtps/smtpd[19223]: 98E3A35C8D31: client=macmi2.lo.k-in.co.jp[192.168.0.36], sasl_method=PLAIN, sasl_username=foopa Aug 07 11:21:47 mail postfix/cleanup[19229]: 98E3A35C8D31: message-id=<FF4C563F-8410-485E-831D-5308DF84BA48@k-in.co.jp> Aug 07 11:21:47 mail postfix/qmgr[17155]: 98E3A35C8D31: from=<foopa@k-in.co.jp>, size=969, nrcpt=2 (queue active) Aug 07 11:21:47 mail postfix/smtp[19230]: discarding EHLO keywords: PIPELINING Aug 07 11:21:56 mail postfix/smtpd:10025/smtpd[19237]: connect from localhost[127.0.0.1] Aug 07 11:21:56 mail postfix/smtpd:10025/smtpd[19237]: C02A535C8D4F: client=localhost[127.0.0.1] Aug 07 11:21:56 mail postfix/cleanup[19229]: C02A535C8D4F: message-id=<FF4C563F-8410-485E-831D-5308DF84BA48@k-in.co.jp> Aug 07 11:21:56 mail postfix/smtpd:10025/smtpd[19237]: disconnect from localhost[127.0.01] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5 Aug 07 11:21:56 mail postfix/qmgr[17155]: C02A535C8D4F: from=<foopa@k-in.co.jp>, size=1730, nrcpt=1 (queue active) Aug 07 11:21:56 mail postfix/smtpd:10025/smtpd[19237]: connect from localhost[127.0.0.1] Aug 07 11:21:56 mail postfix/smtpd:10025/smtpd[19237]: C21FF35C8D50: client=localhost[127.0.0.1] Aug 07 11:21:56 mail postfix/cleanup[19229]: C21FF35C8D50: message-id=<FF4C563F-8410-485E-831D-5308DF84BA48@k-in.co.jp> Aug 07 11:21:56 mail postfix/smtpd:10025/smtpd[19237]: disconnect from localhost[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5 Aug 07 11:21:56 mail postfix/qmgr[17155]: C21FF35C8D50: from=<foopa@k-in.co.jp>, size=1961, nrcpt=1 (queue active) Aug 07 11:21:56 mail postfix/smtp[19230]: 98E3A35C8D31: to=<foopa.org@gmail.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=9.2, delays=0.02/0.01/0/9.2, tls=none, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as C02A535C8D4F) Aug 07 11:21:56 mail postfix/smtp[19230]: 98E3A35C8D31: to=<foopa@k-in.co.jp>, relay=127.0.0.1[127.0.0.1]:10024, delay=9.2, delays=0.02/0.01/0/9.2, tls=none, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as C02A535C8D4F) Aug 07 11:21:56 mail postfix/qmgr[17155]: 98E3A35C8D31: removed |
Gmailで受け取った時のheader
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Delivered-To: foopa.org@gmail.com Received: by 2002:a05:7022:1587:b0:13d:1d3d:51e2 with SMTP id ro7csp8514442dlb; Thu, 6 Aug 2026 19:22:08 -0700 (PDT) X-Received: by 2002:a17:903:2c06:b0:2c9:fa31:84f9 with SMTP id d9443c01a7336-2d0ca70e870mr237219635ad.5.1786069328743; Thu, 06 Aug 2026 19:22:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1786069328; cv=none; d=google.com; s=arc-20260327; b=oxgb/UeA3zpWxRzfVNiq1GDsu92iZjxP6brcwWmBG/oy95kh18fHAqqZMUaKuFGhRv aab1egYt1yE9f4VO2J2htGUaF1hhkhVbqKwqsScMIOl5zjDs3oXZFaUjpbi6b/Z4EQ8J p7Pq2WEWAYPv4dGiH67WIySLEgI4QH3DBcZh+m+PDjVDc2TuuDqfTg/77hw4KuoFiRbA 0QDu6XKcRXwdfv4yrMArvTR1/WpMP7vQJqamiLTpzKzGBm+quZ4C1rIPF6XUnFkBgfY6 koQMvkqJAk6kypD0o5MWvMd2j/ac4M2HEXAGQSL3H++OyfZj80IN/W2HnrAFepfP0PDx AiPA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20260327; h=to:message-id:subject:date:mime-version:content-transfer-encoding :from:dkim-signature; bh=7z7OKb139EGu9L6J1f8IUUy37Hulkg+JKzoT3UdVidQ=; fh=SV3vfaHe/AaWxKtJtRW3Z2oTm5qV8/7Wa4gkqySFQTM=; b=leDe3TChiGbL7XY8kIDEYHDOVShFU55yzyzyWkjE+24awIZnKv1aPZ2Niq/bvK6xXW LBKNGC1uhxoVofudARadeC3UZZb77Xhvt2RDX88or29sgQYyMxUmOgiZbBg609dlvbx9 dmp0X0kKathGJLO0/BFjXFyPfqTlzwkD4YmbvwwZYqEo9JDC7TdzzR5sDIwSf5mDLiQf IFCkNSNclnlH1/KqtD25LyXWCnUbK2hrF/jJsunWoPaaAjJ7sdjrGH/wnHTriZowS85x ZzM9wvJzVCcfR36LpwdCvimIAmHq3V3UP5HrszjusJDiH3BpCr3PAkTgYE6hDZ7juwk0 soQA==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@k-in.co.jp header.s=default header.b=BpjyqylB; spf=pass (google.com: domain of foopa@k-in.co.jp designates 219.117.245.33 as permitted sender) smtp.mailfrom=foopa@k-in.co.jp; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=k-in.co.jp Return-Path: <foopa@k-in.co.jp> Received: from mail.k-in.co.jp (macmini.k-in.co.jp. [219.117.245.33]) by mx.google.com with ESMTPS id d9443c01a7336-2d16c514d9fsi12701555ad.113.2026.08.06.19.22.08 for <foopa.org@gmail.com> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Aug 2026 19:22:08 -0700 (PDT) Received-SPF: pass (google.com: domain of foopa@k-in.co.jp designates 219.117.245.33 as permitted sender) client-ip=219.117.245.33; Authentication-Results: mx.google.com; dkim=pass header.i=@k-in.co.jp header.s=default header.b=BpjyqylB; spf=pass (google.com: domain of foopa@k-in.co.jp designates 219.117.245.33 as permitted sender) smtp.mailfrom=foopa@k-in.co.jp; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=k-in.co.jp Received: from localhost (localhost [127.0.0.1]) by mail.k-in.co.jp (Postfix) with ESMTP id C02A535C8D4F for <foopa.org@gmail.com>; Fri, 07 Aug 2026 11:21:56 +0900 (JST) X-Virus-Scanned: amavisd-new at k-in.co.jp Received: from mail.k-in.co.jp ([127.0.0.1]) by localhost (mail.k-in.co.jp [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TQpfDxRK7OSM; Fri, 7 Aug 2026 11:21:47 +0900 (JST) Received: from smtpclient.apple (macmi2.lo.k-in.co.jp [192.168.0.36]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.k-in.co.jp (Postfix) with ESMTPSA id 98E3A35C8D31; Fri, 07 Aug 2026 11:21:47 +0900 (JST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=k-in.co.jp; s=default; t=1786069307; bh=7z7OKb139EGu9L6J1f8IUUy37Hulkg+JKzoT3UdVidQ=; h=From:Date:Subject:To; b=BpjyqylBbeoVEMGPGYrX+6+Xc5tBqCUbwbIqiCUXNtq8L6SEceXME0EARBs+Wd0k+ jW/5jrSHNEimXrlaKw9l6q0OevlyM7qdpt21WwmJ5xXEfZHJO/Fa3BvzgbGb4yOcbq Yi7zSQ/bsECJIeR5qKXeUc9ealmUn6Iu9xNXrKjI= From: foopa <foopa@k-in.co.jp> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81.1.8\)) Date: Fri, 7 Aug 2026 11:21:31 +0900 Subject: DKIM-Signature Message-Id: <FF4C563F-8410-485E-831D-5308DF84BA48@k-in.co.jp> To: =?utf-8?B?5YyX55Sw5a6j5aSr?= <foopa.org@gmail.com> X-Mailer: Apple Mail (2.3826.700.81.1.8) |
Gmailからk-in.co.jpへ
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Aug 07 11:54:22 mail postfix/postscreen[19731]: CONNECT from [209.85.221.175]:42022 to [192.168.0.35]:25 Aug 07 11:54:27 mail postfix/dnsblog[19735]: addr 209.85.221.175 listed by domain list.dnswl.org as 127.0.5.0 Aug 07 11:54:27 mail postfix/postscreen[19731]: PASS NEW [209.85.221.175]:42022 Aug 07 11:54:27 mail postfix/smtpd/smtpd[19778]: connect from mail-vk1-f175.google.com[209.85.221.175] Aug 07 11:54:39 mail postfix/smtpd/smtpd[19778]: 166ED35C93B0: client=mail-vk1-f175.google.com[209.85.221.175] Aug 07 11:54:39 mail postfix/cleanup[19786]: 166ED35C93B0: message-id=<467CB2E5-ADD7-472E-AE3E-533388A1F1D2@gmail.com> Aug 07 11:54:39 mail postfix/qmgr[17155]: 166ED35C93B0: from=<foopa.org@gmail.com>, size=4380, nrcpt=1 (queue active) Aug 07 11:54:39 mail postfix/smtp[19787]: discarding EHLO keywords: PIPELINING Aug 07 11:54:39 mail postfix/smtpd/smtpd[19778]: disconnect from mail-vk1-f175.google.com[209.85.221.175] ehlo=2 starttls=1 mail=1 rcpt=1 bdat=1 quit=1 commands=7 Aug 07 11:54:57 mail postfix/smtpd:10025/smtpd[19794]: connect from localhost[127.0.0.1] Aug 07 11:55:02 mail postfix/smtpd:10025/smtpd[19794]: 86D5935C93D7: client=loca lhost[127.0.0.1] Aug 07 11:55:02 mail postfix/cleanup[19786]: 86D5935C93D7: message-id=<467CB2E5-ADD7-472E-AE3E-533388A1F1D2@gmail.com> Aug 07 11:55:02 mail postfix/smtpd:10025/smtpd[19794]: disconnect from localhost[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5 Aug 07 11:55:02 mail postfix/qmgr[17155]: 86D5935C93D7: from=<foopa.org@gmail.com>, size=5327, nrcpt=1 (queue active) Aug 07 11:55:02 mail postfix/smtp[19787]: 166ED35C93B0: to=<foopa@k-in.co.jp>, relay=127.0.0.1[127.0.0.1]:10024, delay=34, delays=11/0.01/0/23, tls=none, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 86D5935C93D7) Aug 07 11:55:02 mail postfix/qmgr[17155]: 166ED35C93B0: removed Aug 07 11:55:02 mail postfix/local[19799]: 86D5935C93D7: passing <foopa@k-in.co.jp> to transport=lmtp Aug 07 11:55:02 mail postfix/lmtp[19800]: 86D5935C93D7: to=<foopa@k-in.co.jp>, relay=mail.k-in.co.jp[private/dovecot-lmtp], delay=0.1, delays=0/0.01/0.02/0.06, tls=none, dsn=2.0.0, status=sent (250 2.0.0 <foopa@k-in.co.jp> gGkMIwZJdWpZTQAAoKdiNw Saved) Aug 07 11:55:02 mail postfix/qmgr[17155]: 86D5935C93D7: removed |
k-in.co.jpで受け取った時のheader
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Return-Path: <foopa.org@gmail.com> Delivered-To: foopa@k-in.co.jp Received: from mail.k-in.co.jp by macmini with LMTP id gGkMIwZJdWpZTQAAoKdiNw (envelope-from <foopa.org@gmail.com>) for <foopa@k-in.co.jp>; Fri, 07 Aug 2026 11:55:02 +0900 Received: from localhost (localhost [127.0.0.1]) by mail.k-in.co.jp (Postfix) with ESMTP id 86D5935C93D7 for <foopa@k-in.co.jp>; Fri, 07 Aug 2026 11:55:02 +0900 (JST) X-Virus-Scanned: amavisd-new at k-in.co.jp X-Spam-Flag: NO X-Spam-Score: -0.197 X-Spam-Level: X-Spam-Status: No, score=-0.197 tagged_above=-2 required=6.2 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Received: from mail.k-in.co.jp ([127.0.0.1]) by localhost (mail.k-in.co.jp [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8eKRJeWdb61w for <foopa@k-in.co.jp>; Fri, 7 Aug 2026 11:54:39 +0900 (JST) Received: from mail-vk1-f175.google.com (mail-vk1-f175.google.com [209.85.221.175]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.k-in.co.jp (Postfix) with ESMTPS id 166ED35C93B0 for <foopa@k-in.co.jp>; Fri, 07 Aug 2026 11:54:28 +0900 (JST) Authentication-Results: mail.k-in.co.jp; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=OZmb9GYV Received: by mail-vk1-f175.google.com with SMTP id 71dfb90a1353d-5bfc54558d5so1449025e0c.0 for <foopa@k-in.co.jp>; Thu, 06 Aug 2026 19:54:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786071261; x=1786676061; darn=k-in.co.jp; h=to:references:message-id:content-transfer-encoding:date:in-reply-to :from:subject:mime-version:content-type:from:to:cc:subject:date :message-id:reply-to:content-type; bh=W0G1xINSkhiqOQqrvFBswZBfvjQKHrNa4b88VtvZDgc=; b=OZmb9GYVFJabtBhjS/0dqGFN6datpICMY9RtsVNiuuzTQ0vBmtAQc+MdD8wLyZVOpX eoj4ek+y0/JBezpwZOF7/4qMFDL3oWgcyERjBJN0EHUUeOKzcqOhPfO/68n0urPodpIQ e+X9e37x30AEJs3XxtrEc7NSFG4kdhagyCqSmKAbMj4pjwA7WJSN8wsN0TEd7jMVs1kf 9Wq3NZVi2YMqcnv05UlVPhwoR/qyGNhFxk+629yQEud3wnLwWvvztESaT0AryDz8Hy4S jd9Q4YyQVtSeOZ95ZQ8NLZV0/+KhCZaBxlqQCwtPmt24qc/PghwXHEwU9sgwGYgaGk9N MJzA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786071261; x=1786676061; h=to:references:message-id:content-transfer-encoding:date:in-reply-to :from:subject:mime-version:content-type:x-gm-gg:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to:content-type; bh=W0G1xINSkhiqOQqrvFBswZBfvjQKHrNa4b88VtvZDgc=; b=V4LkTdC7wA2ieWf5t2jly9gH6JxGZMjS+dg4WC6ZfpL6+GV9rOuTU3e4fTAaEUHVwv 1gMU0Ct3ZO0GwhgGGlT3hj5nF6zV5ueFMyB6UOmrdsh0o+fd3BtiE04+yRyPnLPTSDTC 8Z3/jhrDfeoBy9tB6Kro03srNjlknmr6DFU8hqmDfMcx9exgKUZWplEADeflo6Qg4Y4k noshdmmnkHTQa539VZPIGOW6tJtps0l6Rqyrj6KslrwJxILlMTL0sf7qezAdJjmZdjFn mntGXuUKm6n5yFg7VpVVFEGCp1aQraVRHQLERfTuj+EAxuFIeDrk+aMVVBFX69+i+NZo kMZw== X-Gm-Message-State: AOJu0YwR0DGOdnvnlGyiJ1pckuyshUDQ1aH13B5iv0+4dzfiKq8xxGEe khX2zGyHfwaByMMslaKqTsWmlufkRDMMVg3DTMAGCJcJZ708va2zhpU33/fm0lcX X-Gm-Gg: AR+sD11gdxbygIGZFd9jEM0LkRE+00UY8MOc6D/80bDi0Yi371+uxG7uEkk9oslF/yW Yfkfi86e7Tfk1d963Ufa687g/jbxcShocQibgiAcyV/XnNDPQnOUSDhd1vpc7claG3CLzt148DX I7BgZZ7JquGV+fIdokmPU6zC1NsJV1ur90ASjiq84KVVFldxilqYUCqJzs/JY1i+NkWXgOEhtXV WTXzBTAc8UVedcCoDLlD7RmnN/OB8WXEJkxpMldD2YpgR70VTO17+Dn/XMV3vLiuSZnLeNmW3RZ y+KKZKea2ryGKbQk1B51+ZhgTzDrkVwxNLhapoTsfxscatzz7UfT+cbTQTWn2a0izcu19hZLuRG 6tUaHN8eXnS209Plx5hAEpkWoUr0IVdcjK4Vy3qZaRaqqPyHq1IS8VzRj56qJ3m/Kf134T3aaWH C/4AO791GSI7xJ++T6Z0gYIwBp3rEzwy2uqU/7nuXxPGHgJVupYwx9E9WAQkbExaAbyGDI7fw2S VtCSVIGEUT18j7YQSh+ X-Received: by 2002:a17:90b:2f10:b0:387:d5bd:6231 with SMTP id 98e67ed59e1d1-39089861124mr4074473a91.20.1786070839971; Thu, 06 Aug 2026 19:47:19 -0700 (PDT) Received: from smtpclient.apple (macmini.k-in.co.jp. [219.117.245.33]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3925ff6658bsm395881a91.14.2026.08.06.19.47.18 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Aug 2026 19:47:19 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81.1.8\)) Subject: Re: DKIM-Signature From: nob kitada <foopa.org@gmail.com> In-Reply-To: <FF4C563F-8410-485E-831D-5308DF84BA48@k-in.co.jp> Date: Fri, 7 Aug 2026 11:47:07 +0900 Content-Transfer-Encoding: quoted-printable Message-Id: <467CB2E5-ADD7-472E-AE3E-533388A1F1D2@gmail.com> References: <FF4C563F-8410-485E-831D-5308DF84BA48@k-in.co.jp> To: =?utf-8?B?5YyX55Sw5a6j5aSr?= <foopa@k-in.co.jp> X-Mailer: Apple Mail (2.3826.700.81.1.8) |