17. DNSを使った送信先決定
DNS root server
DNS
MTA cache server 2
1,5 .com SOA
3
1. Example.comのMXレコード?
2. Example.comのMXレコード?→.comに聞け
3. Example.comのMXレコード?→.example.comに聞け
4. Example.comのMXレコード?→10 mail.example.comだ 4 .example.com SOA
よ
5. Mail.example.comのAレコード?....
18. $ dig mx hiroba.org
;; QUESTION SECTION:
;hiroba.org. IN MX
;; ANSWER SECTION:
hiroba.org. 86400 IN MX 5 alt1.aspmx.l.google.com.
hiroba.org. 86400 IN MX 5 alt2.aspmx.l.google.com.
hiroba.org. 86400 IN MX 10 aspmx2.googlemail.com.
hiroba.org. 86400 IN MX 10 aspmx3.googlemail.com.
hiroba.org. 86400 IN MX 10 aspmx4.googlemail.com.
hiroba.org. 86400 IN MX 10 aspmx5.googlemail.com.
hiroba.org. 86400 IN MX 1 aspmx.l.google.com.
;; AUTHORITY SECTION:
hiroba.org. 170129 IN NS ns-165.awsdns-20.com.
hiroba.org. 170129 IN NS ns-1624.awsdns-11.co.uk.
hiroba.org. 170129 IN NS ns-1347.awsdns-40.org.
hiroba.org. 170129 IN NS ns-1003.awsdns-61.net.
;; ADDITIONAL SECTION:
aspmx.l.google.com. 185 IN A 74.125.127.27
alt1.aspmx.l.google.com. 187 IN A 74.125.45.27
alt2.aspmx.l.google.com. 197 IN A 74.125.93.27
aspmx2.googlemail.com. 2212 IN A 74.125.43.27
aspmx3.googlemail.com. 2213 IN A 74.125.127.27
aspmx4.googlemail.com. 2945 IN A 209.85.229.27
aspmx5.googlemail.com. 1888 IN A 74.125.157.27
ns-165.awsdns-20.com. 44352 IN A 205.251.192.165
ns-1003.awsdns-61.net. 44352 IN A 205.251.195.235
ns-1347.awsdns-40.org. 162645 IN A 205.251.197.67
19. SMTP
HELO sender.example.com
250 OK
MAIL FROM: user@example.com
Sender.example.com 250 OK example.jp
RCPT TO: user1@example.jp
250 OK
DATA
MTA 354 Start
MUA
ヘッダ,本文.. <CRLF>.<CRLF>
250 OK
QUIT
250 OK
21. メーリングリスト配送の場合
HELO sender.example.com
250 OK
MAIL FROM: user@example.com
250 OK
MLプログラム RCPT TO: user1@example.jp 配送サーバ
250 OK
RCPT TO: user2@example.jp
250 OK
参加者分くりかえ
し
DATA
354 Start
SMTPの規
文本,ダッヘ .. <CRLF>.<CRLF>
定ではすく
250 OK なくとも50
QUIT まで
250 OK
44. 追加情報
追加情報
Amazon SES Detail Page:
http://aws.amazon.com/ses/
Amazon SES FAQs:
http://aws.amazon.com/ses/faqs/
Amazon SES Documentation:
http://aws.amazon.com/documentation/ses/
Tools:
http://aws.amazon.com/developertools/Amazon-SES
Amazon SES Production Access:
http://aws.amazon.com/ses/fullaccessrequestsuccess
Amazon SES Limit Increase:
http://aws.amazon.com/ses/extendedaccessrequest