NAME

       Mail::MIMEDefang::Mail - Mail and SMTP related methods for email filters

DESCRIPTION

       Mail::MIMEDefang::Mail are a set of methods that can be called from mimedefang-filter to
       send email messages or to run SMTP checks.

METHODS

       resend_message_one_recipient
           Method that re-sends the message as if it came from original sender to a single
           recipient.

       resend_message_specifying_mode
           Method that re-sends the message as if it came from original sender to a list of
           recipients.

       resend_message
           Method that re-sends the message as if it came from original sender to a list of
           recipients.

       pretty_print_mail
           Method that makes a pretty-printed version of the e-mail body no longer than size
           characters.

       get_smtp_return_code
           Method that reads return codes from SMTP server, returns a four-element list:(retval,
           code, dsn, text), where code is a 3-digit SMTP code.  Retval is 'CONTINUE', 'TEMPFAIL'
           or 'REJECT'.

       get_smtp_extensions
           Method that checks SMTP server's supported extensions.  It expects EHLO to have been
           sent already (artifact of get_smtp_return_code).  The sub returns a four-element
           list:(retval, code, dsn, exts)

           •   retval is 'CONTINUE', 'TEMPFAIL', or 'REJECT'.

           •   code is a 3-digit SMTP code.

           •   dsn is an extended SMTP status code

           •   exts is a hash of EXTNAME->EXTOPTS

       md_check_against_smtp_server
           Method that verifies a recipient against another SMTP server by issuing a HELO / MAIL
           FROM: / RCPT TO: / QUIT sequence.  The method returns:

           •   ('CONTINUE', "OK") if recipient is OK

           •   ('TEMPFAIL', "err") if temporary failure

           •   ('REJECT', "err") if recipient is not OK.