You don't say which OS you're using, but here is a copy of code I use regularly to send emails with attachments on MS Windows. Note that attachments too large to send are skipped and attachments that end in ".pl" are temporarily renamed to end in ".txt" to avoid rejection by email filters. Replace "smtp.yourisp.net" with your smtp server. Hope this helps.

#!/usr/bin/perl
use strict;
use warnings;
use MIME::Lite;
use File::Copy qw( move );
use File::Basename;
fileparse_set_fstype($^O);  # Specify OS type.
my $suffix_pattern = qr/\.[^.]*/;

my $mime_types = {
   '.txt'  => 'text/plain',
   '.jpg'  => 'image/jpeg',
   '.gif'  => 'image/gif',
   '.zip'  => 'application/zip',
   '.doc'  => 'application/msword',
   '.docx' => 'application/msword',
   '.xls'  => 'application/vnd.ms-excel',
   '.xlsx' => 'application/vnd.ms-excel',
};

my $mime = MIME::Lite->new(
    'To'      => 'me@example.com',
    'Cc'      => 'you@example.com,them@example.com',
    'From'    => '"Us" <us@example.com>',
    'Subject' => 'Email using Perl',
    'Type'    => 'text/plain',
    'Data'    => 'Text of email message goes here',
);

my $dir = "/tmp";
opendir(DIR, $dir) or die "Error opening directory: $dir\n";
print "\nFormatting email ... \n";
print "\nAttaching files: ";
my ($full_name_old, $full_name_new);
while (my $file_name = readdir(DIR)) {
   my $full_name = "$dir/$file_name";
   next if $file_name =~ /^\.\.?/;    # Skip 'dot' files.
   next if $file_name =~ /.bat$/;     # Skip batch files.
   next if $file_name eq "Huge.zip";  # File exceeds email max.
   next if -d $full_name;             # Skip directories.
   $full_name_old = $full_name_new = '';
   if ($file_name =~ /\.pl$/) {   # Add txt extension for email filter
+s.
      $file_name .= '.txt';
      $full_name_old = $full_name;
      $full_name_new = $full_name . '.txt';
      $full_name     = $full_name_new;
      move($full_name_old,$full_name_new);
   }
   print "$file_name, ";
   my ($file, $path, $ext) = fileparse($full_name, $suffix_pattern);
   my $mime_type = $mime_types->{$ext} || 'text/plain';
   $mime->attach(
       Type        =>  $mime_type,
       Path        =>  $full_name,
       Filename    =>  $file_name,
       Disposition => 'attachment',
   );
}
closedir(DIR);
print "\n\nSending email ... ";

MIME::Lite->send( 'smtp', 'smtp.yourisp.net', 'Timeout' => 90 );
$mime->send;

opendir(DIR, $dir) or die "Error opening directory: $dir\n";
while (my $file_name = readdir(DIR)) {
   my $full_name = "$dir/$file_name";
   if ($full_name =~ /\.pl\.txt$/) {  # Remove txt extensions added ab
+ove.
      $full_name_old = substr($full_name,0,length($full_name)-4);
      move($full_name,$full_name_old);
   }
}
closedir(DIR);

print "\n\nFiles in '$dir' sent to recipients as attachments\n";
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