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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 commands 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 nego-
	      tiate 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
	      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 presented 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 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 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.

SEE ALSO
       pop3d(8)

CMU					  Project Cyrus 			      POP3TEST(1)
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