Mohammad Gholami (11), Ghasem Dehnavi (41) and Pejman Nouri (59) scored Iran’s goals in this warm-up match.
Mozambique-born Carlos Queiroz has selected the team as a team to test his new players.
The players of the Mozambique team were sent off in the last minutes of the match.
Iran will also host Syria in Tehran’s Azadi Stadium on September 4.
Carlos Queiroz’s team is gearing up for the final stage of Asian qualifying for the 2014 World Cup.
Iran has been grouped with South Korea, Uzbekistan, Lebanon and Qatar in the competition.