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メール運用がロストテクノロジーになっていく話

Last updated at Posted at 2015-12-23

 Advent Calendar17SMTP
3




SendGrid便




Sendmail使Unix使
Sendmailsendmail.cf

qmail
UnixOS

qmail調UnixPostfix

SendGridAmazon SESMailchimpMandrill


Web



DKIMspfSendGridfailDNSfail

IPIP

IP


1IPIPIPIPIPIPIPSendGrid

SendGrid便
IP Warmup

IP Warmup1120228SendGridIP調WebIP

IP WarmupIP











IP Warmup調

SendGridIP WarmupISP


SpamhausIPISP

2

IP


使IPIP使

IP WarmupIPIP

IP

Spamtrap


SpamtrapSpamtrapSpamtrapSpamtrap

Spamtrap1
Spamtrap

SendGrid


SendGrid


SendGrid1


IP


IPWebIPIP

Confirm


Spamtrap

SendGrid

ConfirmSpamtrap


DNSEthernet使使
使

TelnetSMTPMIMEEmacsE

使TCP/IP



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