serves mail via the Post Office Protocol. Supported options include:
-a plaintext | otp | sasl
which authentication mode is acceptable,
enables SASL (RFC2222), and
enables OTP (RFC1938) authentication. Both disable plaintext passwords.
Logs the addresses (along with a timestamp) of all clients to the
specified file. This can be used to implement POP-before-SMTP
Enables more verbose log messages.
When not started by inetd, this flag tells
that it has to create a socket by itself.
to use Kerberos for authentication. This is the traditional way of
doing Kerberos authentication, and is normally done on a separate port
(as it doesn't follow RFC1939), and should be used instead of using
Port to listen to, in combination with
Trace all commands to file.
Set timeout to something other than the default of 120 seconds.