The Victorian Police Association says two officers have been sacked over the distribution of pornographic and racist emails.
Two other officers have been fined and another was demoted after internal disciplinary hearings.
Police are expected to make a statement later today.
Yesterday Police Chief Commissioner Simon Overland described the material as "extreme" and "shocking".
The emails were allegedly distributed over the Victoria Police email server.
The Police Association says the problem is not a pandemic and the two sacked officers are considering their options regarding an appeal.
The internal disciplinary hearings are expected to continue until the end of the week.
It is believed as many as 30 police officers were involved in distributing the emails.
abc