Post Office Protocol 3. Defines the transfer of email between computer systems. It allows users to download email from a server to their own computer.
Related terms
hypertext transfer protocol (HTTP)
internet message access protocol (IMAP)
SMTP
internet protocol (IP)
point-to-point protocol (PPP)
serial line internet protocol (SLIP)
transmission control protocol (TCP)
transmission control protocol/internet protocol (TCP/IP)
communications protocol
protocol
file transfer protocol (FTP)
Term sub categories
Internet/web
email
Internet/web
protocols and standards
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