my $time = $args->{_time} // $self->time; # Ability to override time for testing!
my $extended_json = ''; # Reserved for future use, should be empty.
my $packet = join( "\n",
$self->feed_nam
used_auth ? '' : $self->used_auth ? 'Y' : 'N',
$self->mail_from_domain // '',
$extended_json,
);
$packet = join( "\n",
$packet,
$self->_checksum($packet),
);
return $packet