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pop3test(1)                                                        pop3test(1)


       pop3test - interactive POP3 test program


       pop3test [ -t keyfile ] [ -p port ] [ -m mechanism ]
                [ -a userid ] [ -u userid ] [ -k num ] [ -l num ]
                [ -r realm ] [ -f file ] [ -n num ] [ -s ] [ -c ]
                [ -i ] [ -o option=value ] [ -v ] hostname


       pop3test  is a utility that allows you to authenticate to a POP3 server
       and interactively issue commands to  it.  Once  authenticated  you  may
       issue  any POP3 command by simply typing it in. It is capable of multi-
       ple SASL authentication mechanisms and handles encryption layers trans-
       parently.  This  utility  is  often used for testing the operation of a
       pop3 server. Also those developing POP3 clients find it useful.


       -t keyfile
              Enable TLS.  keyfile contains the TLS public and  private  keys.
              Specify  ""  to negotiate a TLS encryption layer but not use TLS

       -p port
              Port to connect to. If left off this defaults to pop3 as defined
              in /etc/services.

       -m mechanism
              Force pop3test to use mechanism for authentication. If not spec-
              ified the strongest authentication mechanism  supported  by  the
              server is chosen.  Specify user to use the USER/PASS commands or
              apop to use the APOP command instead of AUTH.

       -a userid
              Userid to use for authentication; defaults to the current  user.
              This  is  the  userid whose password or credentials will be pre-
              sented to the server for verification.

       -u userid
              Userid to use for authorization; defaults to the  current  user.
              This  is the userid whose identity will be assumed after authen-
              tication.  NOTE: This is only used  with  SASL  mechanisms  that
              allow proxying (e.g. PLAIN, DIGEST-MD5).

       -k num Minimum protection layer required.

       -l num Maximum protection layer to use (0=none; 1=integrity; etc).  For
              example if you are using the KERBEROS_V4  authentication  mecha-
              nism  specifying  0 will force pop3test to not use any layer and
              specifying 1 will force it  to  use  the  integrity  layer.   By
              default the maximum supported protection layer will be used.

       -r realm
              Specify  the  realm  to  use.  Certain authentication mechanisms
              (e.g. DIGEST-MD5) may require one to specify the realm.

       -f file
              Pipe file into connection after authentication.

       -n num Number of authentication attempts; default = 1.  The client will
              attempt  to  do  SSL/TLS  session reuse and/or fast reauth (e.g.
              DIGEST-MD5), if possible.

       -s     Enable POP3 over SSL (pop3s).

       -c     Enable challenge prompt callbacks.   This  will  cause  the  OTP
              mechanism  to  ask  for the the one-time password instead of the
              secret pass-phrase (library generates the correct response).

       -i     Don't send an initial client response for SASL mechanisms,  even
              if the protocol supports it.

       -o option=value
              Set the SASL option to value.

       -v     Verbose. Print out more information than usual.



CMU                              Project Cyrus                     pop3test(1)

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