#!perl

use strict;
use warnings;

use Win32::OLE 'in';
use Win32::OLE::Const 'Microsoft Outlook'; # olFolderInbox

my $outlook = Win32::OLE->GetActiveObject('Outlook.Application')
  or do {
    my $reason = Win32::FormatMessage(Win32::GetLastError());
    die "Cannot get active Outlook object: $reason";
  };

my $namespace = $outlook->GetNamespace('MAPI');

if (my $folder = $namespace->GetDefaultFolder(olFolderInbox)) {
    print $folder->Name, "\n";

    foreach my $email (in $folder->Items) {
        print "  ", $email->Subject, "\n" 
          if $email->Subject eq 'Build 50.2';

        # Do something with $email.
    }
}