Similar to STARTTLS
SMTPS
SMTPS
Base64
Base64▲1 trends
MIME
MIME
Quoted-printable
Quoted-printable
.eg
.eg
.tz
.tz
0.0.0.0
0.0.0.0
Application-Layer Protocol Negotiation
Application-Layer Protocol Negotiation
Datagram Transport Layer Security
Datagram Transport Layer Security
FREAK
FREAK
1048576
1048576Brand Indicators for Message Identification
Brand Indicators for Message Identification
DKIM
DomainKeys Identified Mail
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
POP before SMTP
POP before SMTP
Post Office Protocol
Post Office Protocol
PPAP (セキュリティ)
Sender Policy Framework
Sender Policy FrameworkSMTP
Simple Mail Transfer ProtocolSMTP-AUTH
UTF-7
UTF-7
送信ドメイン認証
Email authentication
フィードバックループ
Feedback loop (email)
Template:Internet-stub
Template:Internet-stub