Fairfax executives Garry Linnell and Jack Matthews have attacked their own journalists for taking strike action and congratulated staff who kept working in a threatening email sent to Age and Sydney Morning Herald staffers.

In a sternly worded screed the duo unleashed a tirade against Fairfax hacks who apparently cajoled others to down keyboards for 36 hours last week to defend 66 sackings at the Newcastle Herald and Illawarra Mercury: