Yes, you just call the attach or attach_file methods multiple times.

use Email::Stuffer;

'Email::Stuffer'
  ->transport('SMTP', { host => '10.0.0.123' })
  ->from('alice@example.net')
  ->to('bob@example.org')
  ->subject('Test')
  ->text_body("This is a test.\n")
  ->attach_file('wait_its_all_cake.jpeg')
  ->attach_file('always_has_been.gif')
  ->send_or_die;
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