No. You can't even do this with 100% efficiency on the web. If you are worried that these are images you are trying to sell as an example, you could try making the images lower resolution in the email or include a watermark on them.
No. You can't even do this with 100% efficiency on the web. If you are worried that these are images you are trying to sell as an example, you could try making the images lower resolution in the email or include a watermark on them.
