Pat fillets dry. Mix mustard, honey, olive oil, paprika, salt, and pepper into a glaze. Brush salmon on all sides.
Set Up Smoker:
2 Preheat smoker to 225°F (110°C) with applewood or alder chips.
Smoke:
3 Place salmon skin-side down. Smoke until internal temp hits 140°F (60°C), about 45–60 minutes.
4 (If you prefer a flakier texture, pull at 135°F; for firmer, go to 145°F.)
Finish:
5 Optional brush with extra honey glaze in the last 10 minutes.
Serve:
6 Warm or at room temperature.