Qpopper is a widely used server for the POP3 protocol. It includes TLS/SSL
support, very fast start-up times, and reduced I/O at session close. This
server is fully compliant with RFCs 1939 and 2449, and supports Kerberos V4, if
A peer-to-peer network-based digital currency.
A small, fast, and efficient POP3 server with virtual domains.