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POP3TEST(1)                                                                                      POP3TEST(1)



NAME
       pop3test - interactive POP3 test program

SYNOPSIS
       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

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


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

       -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 specified the strongest authentica-tion authentication
              tion  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 presented to the server for verification.

       -u userid
              Userid to use for authorization; defaults to the current user.  This is the userid whose iden-tity identity
              tity will be assumed after authentication.  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 mechanism 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 pro-tection protection
              tection 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 onetime
              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.

SEE ALSO
       pop3d(8)



CMU                                             Project Cyrus                                    POP3TEST(1)