Similar to Internet_Message_Access_Protocol

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  Messaging Application Programming Interface

  MAPI
  
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  Multipurpose Internet Mail Extensions

  MIME
  
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  POP before SMTP

  POP before SMTP
  
• 

  PPAP (セキュリティ)

  
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  Quoted-printable

  Quoted-printable
  
• 

  Sender Policy Framework

  Sender Policy Framework
  
• 

  SMTP-AUTH

  
• 

  SMTPS

  SMTPS
  
• 

  STARTTLS

  Opportunistic TLS
  
• 

  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)
  
• 

  アプリケーション層

  Application layer
  
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  9P

  9P (protocol)
  
• 

  Advanced Message Queuing Protocol

  Advanced Message Queuing Protocol
  
• 

  Apache Thrift

  Apache Thrift
  
• 

  CHARGENプロトコル

  Character Generator Protocol
  
• 

  Constrained Application Protocol

  Constrained Application Protocol
  
• 

  DAYTIMEプロトコル

  Daytime Protocol
  
• 

  DCC (IRC)

  Direct Client-to-Client
  
• 

  DHCPv6

  DHCPv6
  
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  DHCPスヌーピング

  DHCP snooping
  
• 

  DISCARDプロトコル

  Discard Protocol
  
• 

  DNS over HTTPS

  DNS over HTTPS
  
• 

  DNS over TLS

  DNS over TLS
  
• 

  ECHOプロトコル

  Echo Protocol
  
• 

  Extensible Messaging and Presence Protocol

  XMPP
  
• 

  Gemini (プロトコル)

  Gemini (protocol)