Captain Mark Arber is one of eight out-of-contract players released by Dagenham & Redbridge.
Dagenham midfielder Peter Gain has signed a new contract which keeps him at the club until the summer of 2012.
Exeter are without suspended Danny Seaborne while Dagenham receive double boost for League Two tie.
Dagenham & Redbridge midfielder Peter Gain has signed a new one-year contract extension.
Dagenham & Redbridge have snapped up Peter Gain and Shabazz Baidoo on free transfers.
Mansfield have confirmed their interest in signing former Peterborough player Peter Gain.
Peterborough are not looking to offload Rene Howe, while Peter Gain has turned down two moves.
Peter Gain can still have a role to play at Peterborough, according to manager Darren Ferguson.