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clicktx
October 31, 2020
Technology
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メールサーバを移行した話
Gunma.web#39の発表内容。
Gmail(GoogleWorkspace)にメールサーバを移行した話。
clicktx
October 31, 2020
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Transcript
ϝʔϧαʔόΛ Ҡߦͨ͠ 2020-10-31 Gunma.web #39 OnLine
ࣗݾհ • ͳ·͑ɿ͗͢ΉΒɹΉͶͷΓ • Twitterɿ@ckicktx • Perl/JavaScript/HTML/CSS… • blogɿhttp://perl.no-tubo.net •
͠ΎΈɿnew! ·า͖
χϡʔΪΞ
χϡʔΪΞ ྑ͍εϙοτͬ ͍ͯͨΒ ڭ͑ͯԼ͍͞ʂ
ϝʔϧαʔόΛ Gmailʹ Ҡߦ͠·ͨ͠
͍ʔΊʔΔ ͬͯ·͔͢ʁ
ECαΠτӡӦ͢ Δ্Ͱސ٬α ϙʔτʹඞਢ
Ҡߦͷ͖͔͚ͬ
ϝʔϧαʔό ٺԽ
ϝʔϧαʔόߏங 2011தࠒ
• smtp: • Postfix+MySQL • imap: • Dovecot2+Procmail+Spa mAssassin •
ΞΧϯτཧ: • Postfix Admin ߏ
(΄΅)ϝʔϧઐ༻ αʔόͱͯ͠
TLS1.0/1.1 ແޮԽ
TLS1.2ʹରԠ ͢Δʹ
OpenSSL1.0.1 Ҏ্͕ඞཁ
$ openssl version OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008
CentOS 5
ͤΜͱ͘Μ
࣌CentOS 6 બग़དྷͨͣ ͕ͩ…
ύοέʔδཧπʔ ϧͰΞοϓσʔτ ग़དྷͳ͍
αϙʔτΕͷ ͨΊyumͰߋ ৽Ͱ͖ͳ͍
OpenSSLΛ ιʔε͔ΒϏϧυ || Өڹେ
Postfix Dovecot MySQL Procmail SpamAssassin PostfixAdmin etc… ClamAntiVirus
OSೖΕସ͑ͯ ߏங͢͠Ґͷ ख͕͔͔ؒΔ
৽͍͠OSͰߏ ஙͯ͠5ʙ10 ޙʹٺԽ
֎෦αʔϏεͰ ྑ͍ͷͰʁ
Ҡߦઌ
• Gmail • MicroSoft Exchange • ଞ Ҡߦઌީิ
΄΅ೋ
Gmail ͬͱ͚ײ
Exchangeͷ ڞಉτϨΠؾ ʹͳ͕ͬͨ…
Ҡߦʹ͋ͨͬͯ
Ҡߦπʔϧ͕༻ ҙ͞Ε͍ͯΔ σʔλͷҠߦ
imapαʔό͕ ެ։͞Ε͍ͯΕ ok σʔλͷҠߦ
ͨͩ͠SSLඞਢ σʔλͷҠߦ
͓Ε͓Εূ໌ॻ ෆՄ σʔλͷҠߦ
Let’sEncrypt SSLͳ͏! (v2) https://sslnow.ml/ σʔλͷҠߦ
ͱʹ͔͍͘ σʔλͷҠߦ
10/17 18:30 ࣮ߦ 10/21 11:00 Ҡߦྃ σʔλͷҠߦ
ΞΧϯτ: 1 ϝʔϧ݅: 16,730 τʔλϧ: 89࣌ؒ 190௨/h σʔλͷҠߦ
ʲใࠂʳ14.5ͷGmailΛGsuiteผΞΧ ϯτʹҠߦ͢Δͷʹ͔͔ͬͨ࣌ؒͳΜ ͱʂʂʂʂ - ·͚Μͷग़ு৯͍Εه https://www.yamaken.org/mt/kuidaore/ archives/2020/08/30105.html σʔλͷҠߦ
அࣺେࣄ σʔλͷҠߦ
ϋϚΓϙΠϯτ
ཧϖʔδ (GoogleAdmin)ͱΞϓ Ϧ(Gmail)ͷઃఆ͕ࢄΒ ͬͯΔ
Gmailͷҕͱ͔ ϨΨγʔΞϓϦͷ ڐՄͱ͔
ศརػೳ
Σϒϝʔϧ
αʔόαΠυͰ ͷৼΓ͚ ʢϑΟϧλʔʣ
ΣϒϕʔεͰ ͷઃఆ
ॴײ
imapएׯ ͬ͞Γʁ
imapएׯ ͬ͞Γʁ ϝʔϧΫϥΠΞϯτʹΑΔ ͔
ඞཁͳ͜ͱେ ମͰ͖ͦ͏
ࣗαόΛӡ༻͢ ΔϝϦοτগ ͳ͍͔
·ͱΊ
• ϝʔϧαʔόͷཧ͔Β։ ์͞ΕΔ • Ҡߦπʔϧ͕͔͔࣌ؒΔ • அࣺେࣄ • Gmailͷศརػೳ͕͑Δ ·ͱΊ
͝ਗ਼ௌ͋Γ͕ͱ ͏͍͟͝·ͨ͠
ࠓޙࢼ͍ͨ͠ࣄ
• αϙʔτGoogleάϧʔϓ Λ͏ • εϓϨουγʔτυΩϡ ϝϯτྨΛGoogleͰ • αʔόΛGCPʹ