NAME

       lmtptest - Cyrus IMAP documentation

       Interactive LMTP test program

SYNOPSIS

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

DESCRIPTION

       This is actually installed as a hard link to imtest(1).

       lmtptest  is  a utility that allows you to authenticate to a LMTP server and interactively issue commands
       to it. Once authenticated you may issue any LMTP 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 lmtp server. Also those developing LMTP 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 lmtp as defined in /etc/services.

       -m mechanism
              Force  lmtptest to use mechanism for authentication. If not specified the strongest authentication
              mechanism supported by the server is chosen.  Specify login to use the LOGIN  command  instead  of
              AUTHENTICATE.

       -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 imtest  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.

       -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.

       -v     Verbose. Print out more information than usual.

       -w passwd
              Password to use (if not supplied, we will prompt).

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

EXAMPLES

SEE ALSO

       lmtpd(8)

AUTHOR

       The Cyrus Team, Nic Bernstein (Onlight)

COPYRIGHT

       1993-2017, The Cyrus Team