Originally Posted By: GSCJR
You may find the "Perfetto" ground a little too coarse for your DeLonghi. It's for drip machines.
Alternatively, you may be successful by tamping it further.
I tamped it as you suggested, resulting in a very delicious espresso drink. Thank you.
On a side note; I am very happy with the DeLonghi EC680M machine. I appreciate the ease of use, the high pressure 15 bar operation, and it takes up very little counter space. I recommend it to others.