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SMTPTEST(1)            DragonFly General Commands Manual           SMTPTEST(1)

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NAME
       smtptest - interactive SMTP test program

SYNOPSIS
       smtptest [ -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
       smtptest is a utility that allows you to authenticate to a SMTP server
       and interactively issue commands to it. Once authenticated you may
       issue any SMTP 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 smtp server. Also those developing SMTP 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 smtp as defined
              in /etc/services.

       -m mechanism
              Force smtptest to use mechanism for authentication. If not
              specified the strongest authentication mechanism supported by
              the server is chosen.

       -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 smtptest 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 SMTP over SSL (smtps).

       -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
       sendmail(8)

CMU                              Project Cyrus                     SMTPTEST(1)