Similar to Simple_Mail_Transfer_Protocol
Post Office Protocol
Post Office Protocol
Simple Mail Transfer Protocol
Simple Mail Transfer Protocol
DKIM
DomainKeys Identified Mail
Exchange ActiveSync
Exchange ActiveSync
Internet Message Access Protocol
Internet Message Access Protocol
Multipurpose Internet Mail Extensions
MIME
Quoted-printable
Quoted-printable
Sender Policy Framework
Sender Policy Framework
SMTPS
SMTPS
UTF-7
UTF-7
Border Gateway Protocol
Border Gateway Protocol
CHARGENプロトコル
Character Generator Protocol
Constrained Application Protocol
Constrained Application Protocol
DAYTIMEプロトコル
Daytime Protocol
DHCPv6
DHCPv6
DISCARDプロトコル
Discard Protocol
DNS over HTTPS
DNS over HTTPS
Domain Name System
Domain Name System
Dynamic Host Configuration Protocol
Dynamic Host Configuration Protocol
ECHOプロトコル
Echo Protocol
File Transfer Protocol
File Transfer Protocol
Gopher
Gopher (protocol)
HTTP/2
HTTP/2
Internet Relay Chat
IRC
Lightweight Directory Access Protocol
Lightweight Directory Access ProtocolMGCP
Media Gateway Control Protocol
NETCONF
NETCONF
Network News Transfer Protocol
Network News Transfer Protocol