Compress images when emailing

The only things that will work to reduce the size of your images before emailing them:
- reduce the resolution of your images
- use a lossy compression format (e.g. jpeg) and reduce the quality setting (e.g. 60% instead of 90%)
 
Yes, but can this be done within Jellybean 2 and if so how or is it necessary to use an additional app and if so can you suggest one?