This fornow.eu user does not exist.

This error usually occurs when there are typos in the recipient's email address. Some common errors include the following:

• Quotation marks: <''> or <"">
  
• Dots at the end of the address: <.>
  
• Spaces before or after an address: < >, < >

If you're sure there are no mistakes, the fornow.eu address may have been disabled, deleted, expired, or never existed in the first place.