Oceniono na 3 z 5 możliwych gwiazdek

It's not exactly what i expected from such addon.. it would be nice to update it to copy "full headers" .. .

Oceniono na 5 z 5 możliwych gwiazdek

It copies the total header of the email into the clipboard. IMO, it is far from a user-friendly output, but because there is no equivalent nor a similar extension available: 5*

wishes: option for specifying optional fields to copy (From, To, Subject, Date)