Two early goals proved enough for Dagenham & Redbridge against Conference bottom side Southport.
They took just six minutes to take the lead, with Jake Leberl - later sent off - heading in a corner at the far post.
In the 17th minute Craig Mackail-Smith turned the ball in from 12 yards for his sixth goal of the season.
Carl Baker got one back after half-time and the hosts came close with half an hour left, Mark Roberts' powerful header hitting the crossbar.
Southport: Dickinson, Davis (Fitzhenry 41), Brass, Roberts,
Lane, Baker, Powell (Morley 63), Pickford, McGinn,
Robinson (Rogan 45), Daly.
Subs Not Used: Speare, Fitzgerald.
Sent Off: Daly (81).
Booked: Pickford.
Goals: Baker 49.
Dag & Red: Roberts, Uddin, Cole, Blackett, Foster , Southam,
Leberl, Bruce, Griffiths, Benson (Moore 74), Mackail-Smith.
Subs Not Used: Hogan, Marwa, Batt, Vickers.
Sent Off: Leberl (64).
Booked: Cole, Blackett.
Goals: Leberl 6, Mackail-Smith 17.
Att: 1,002
Ref: I Nolan (Lancashire).