Sympa::Mailer - Store messages to sendmail

       Sympa::Mailer implements the class to invoke sendmail processes and store messages to them.

   Methods
       instance ( )
           Constructor.  Creates a singleton instance of Sympa::Mailer object.

           Returns:

           A new Sympa::Mailer instance, or undef for failure.

       reaper ( [ blocking => 1 ] )
           DEPRECATED.  Use "reap_child" in Sympa::Process.

           Instancemethod.   Non  blocking function called by: main loop of sympa, task_manager, bounced etc.,
           just to clean the defuncts list by waiting to any processes and decrementing the counter.

           Parameter:

           blocking => 1
               Operation would block.

           Returns:

           PID.

       store ( $message, $rcpt, [ envid => $envid ], [ tag => $tag ] )
           Instancemethod.  Makes a sendmail ready for the recipients given as argument, uses a file descriptor
           in the smtp table which can be imported by other parties.   Before,  waits  for  number  of  children
           process < number allowed by sympa.conf

           Parameters:

           $message
               Message to be sent.

               {envelope_sender} attribute of the message will be used as SMTP "MAIL FROM:" field.

           $rcpt
               Scalar, scalarref or arrayref, for SMTP "RCPT TO:" field.

           envid => $envid
               An envelope ID of this message submission in notification table.  See also Sympa::Tracking.

           tag => $tag
               TBD

           Returns:

           Filehandle on opened pipe to output SMTP "DATA" field.  Otherwise "undef".

   Attributes
       Sympa::Mailer instance may have following attributes:

       {log_smtp}
           If true value is set, each invocation of sendmail process will be logged.

       {redundancy}
           Positive integer.  If set, maximum number of invocation of sendmail is divided by this value.

       Sympa::Mailer, the rewrite of mail.pm, appeared on Sympa 6.2.

6.2.76                                             2025-02-12                              Sympa::Mailer(3Sympa)

       Sympa::Mailer - Store messages to sendmail

       Sympa::Message, Sympa::Process, Sympa::Spool::Listmaster, Sympa::Spool::Outgoing.

         use Sympa::Mailer;
         use Sympa::Process;
         my $mailer = Sympa::Mailer->instance;
         my $process = Sympa::Process->instance;

         $mailer->store($message, ['user1@dom.ain', user2@other.dom.ain']);