Gunma.web#39の発表内容。 Gmail(GoogleWorkspace)にメールサーバを移行した話。
ϝʔϧαʔόΛҠߦͨ͠2020-10-31 Gunma.web #39 OnLine
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ࣗݾհ• ͳ·͑ɿ͗͢ΉΒɹΉͶͷΓ• Twitterɿ@ckicktx• Perl/JavaScript/HTML/CSS…• blogɿhttp://perl.no-tubo.net• ͠ΎΈɿnew! ·า͖
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ϝʔϧαʔόΛGmailʹҠߦ͠·ͨ͠
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ECαΠτӡӦ͢Δ্Ͱސ٬αϙʔτʹඞਢ
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ϝʔϧαʔόٺԽ
ϝʔϧαʔόߏங2011தࠒ
• smtp:• Postfix+MySQL• imap:• Dovecot2+Procmail+SpamAssassin• ΞΧϯτཧ:• Postfix Adminߏ
(΄΅)ϝʔϧઐ༻αʔόͱͯ͠
TLS1.0/1.1ແޮԽ
TLS1.2ʹରԠ͢Δʹ
OpenSSL1.0.1Ҏ্͕ඞཁ
$ openssl versionOpenSSL 0.9.8e-fips-rhel501 Jul 2008
CentOS 5
ͤΜͱ͘Μ
࣌CentOS 6બग़དྷ͕ͨͣͩ…
ύοέʔδཧπʔϧͰΞοϓσʔτग़དྷͳ͍
αϙʔτΕͷͨΊyumͰߋ৽Ͱ͖ͳ͍
OpenSSLΛιʔε͔ΒϏϧυ||Өڹେ
PostfixDovecotMySQLProcmailSpamAssassinPostfixAdminetc…ClamAntiVirus
OSೖΕସ͑ͯߏங͢͠Ґͷख͕͔͔ؒΔ
৽͍͠OSͰߏஙͯ͠5ʙ10ޙʹٺԽ
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• Gmail• MicroSoft Exchange• ଞҠߦઌީิ
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Gmailͬͱ͚ײ
ExchangeͷڞಉτϨΠؾʹͳ͕ͬͨ…
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Ҡߦπʔϧ͕༻ҙ͞Ε͍ͯΔσʔλͷҠߦ
imapαʔό͕ެ։͞Ε͍ͯΕokσʔλͷҠߦ
ͨͩ͠SSLඞਢσʔλͷҠߦ
͓Ε͓Εূ໌ॻෆՄσʔλͷҠߦ
Let’sEncryptSSLͳ͏! (v2)https://sslnow.ml/σʔλͷҠߦ
ͱʹ͔͍͘σʔλͷҠߦ
10/17 18:30 ࣮ߦ10/21 11:00 ҠߦྃσʔλͷҠߦ
ΞΧϯτ: 1ϝʔϧ݅: 16,730τʔλϧ: 89࣌ؒ190௨/hσʔλͷҠߦ
ʲใࠂʳ14.5ͷGmailΛGsuiteผΞΧϯτʹҠߦ͢Δͷʹ͔͔ͬͨ࣌ؒͳΜͱʂʂʂʂ - ·͚Μͷग़ு৯͍Εهhttps://www.yamaken.org/mt/kuidaore/archives/2020/08/30105.htmlσʔλͷҠߦ
அࣺେࣄσʔλͷҠߦ
ϋϚΓϙΠϯτ
ཧϖʔδ(GoogleAdmin)ͱΞϓϦ(Gmail)ͷઃఆ͕ࢄΒͬͯΔ
Gmailͷҕͱ͔ϨΨγʔΞϓϦͷڐՄͱ͔
ศརػೳ
Σϒϝʔϧ
αʔόαΠυͰͷৼΓ͚ʢϑΟϧλʔʣ
ΣϒϕʔεͰͷઃఆ
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imapएׯͬ͞Γʁ
imapएׯͬ͞ΓʁϝʔϧΫϥΠΞϯτʹΑΔ͔
ඞཁͳ͜ͱେମͰ͖ͦ͏
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• ϝʔϧαʔόͷཧ͔Β։์͞ΕΔ• Ҡߦπʔϧ͕͔͔࣌ؒΔ• அࣺେࣄ• Gmailͷศརػೳ͕͑Δ·ͱΊ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
ࠓޙࢼ͍ͨ͠ࣄ
• αϙʔτGoogleάϧʔϓΛ͏• εϓϨουγʔτυΩϡϝϯτྨΛGoogleͰ• αʔόΛGCPʹ