Similar to Post_Office_Protocol
Post Office Protocol
Post Office ProtocolSMTP
Simple Mail Transfer ProtocolDKIM
DomainKeys Identified MailExchange ActiveSync
Exchange ActiveSyncInternet Message Access Protocol
Internet Message Access ProtocolMIME
MIMEQuoted-printable
Quoted-printableSender Policy Framework
Sender Policy FrameworkSMTPS
SMTPSUTF-7
UTF-7Border Gateway Protocol
Border Gateway ProtocolCHARGENプロトコル
Character Generator ProtocolConstrained Application Protocol
Constrained Application ProtocolDAYTIMEプロトコル
Daytime ProtocolDHCPv6
DHCPv6DISCARDプロトコル
Discard ProtocolDNS over HTTPS
DNS over HTTPSDomain Name System
Domain Name SystemECHOプロトコル
Echo ProtocolFile Transfer Protocol
File Transfer ProtocolGopher
Gopher (protocol)HTTP/2
HTTP/2Internet Relay Chat
IRCLDAP
Lightweight Directory Access ProtocolMGCP
Media Gateway Control ProtocolNETCONF
NETCONFNetwork News Transfer Protocol
Network News Transfer ProtocolOpen Network Computing Remote Procedure Call
Sun RPC