use strict;
use vars qw/$cmdMail/;
use LWP::MediaTypes qw(guess_media_type read_media_types);
use MIME::Entity;

BEGIN {
   $cmdMail='/usr/lib/sendmail';   # location of your sendmail
   read_media_types('/etc/mime.types');  # location of your mime.types file
}

...

sub sendmail {   # returns undef or error
   my ($from,$to,$subject,$body,@attachments)=@_;
   my $ret;
   my $top=build MIME::Entity
         From         => $from,
         'Reply-to'   => $from,
         To           => $to,
         Subject      => $subject,
         Data         => $body;
   if (@attachments) {
      for my $path (@attachments) {
          my $type=guess_media_type($path);
          $top->attach(
              Path     => $path,
              Type     => $type,
              Encoding => '-SUGGEST'
          );
       }
    }
    $top->sync_headers(Length=>'COMPUTE') if @attachments;
    if (open(MAIL,"| $cmdMail -t -i")) {
       $top->print(\*MAIL);
       close MAIL;
    } else {
       $ret="Mail to $to failed: $!";
    }
    $ret;
}

...

my $err=sendmail('server@wacky.com','programmer@wacky.com','Your turkey is done!',"Come get some!  Don't forget the beer!",'/home/programmer/Pictures/beer.jpg');
die $err if $err;

...