Similar to フィードバックループ
DKIM
DomainKeys Identified Mail
Base64
Base64
Brand Indicators for Message Identification
Brand Indicators for Message Identification
DMARC
DMARC
Exchange ActiveSync
Exchange ActiveSync
Internet Message Access Protocol
Internet Message Access ProtocolJSON Meta Application Protocol
JSON Meta Application Protocol
Messaging Application Programming Interface
MAPI
MIME
MIME
POP before SMTP
POP before SMTP
Post Office Protocol
Post Office Protocol
PPAP (セキュリティ)
Quoted-printable
Quoted-printable
Sender Policy Framework
Sender Policy FrameworkSMTP
Simple Mail Transfer ProtocolSMTP-AUTH
SMTPS
SMTPS
STARTTLS
Opportunistic TLS
UTF-7
UTF-7
送信ドメイン認証
Email authentication
Yahoo
Yahoo▼-3 trends
Yahoo!7
Yahoo AustraliaYahoo! Messenger
Yahoo Messenger
THE PAGE
Tumblr
TumblrYahoo! Widget Engine
Yahoo Widgets
Yahoo! Directory
Yahoo Directory
Zimbra
Zimbra