The rest pose of your mesh should be close to the A pose of the UE4 mannequin. All bones below pelvis (and the “IK” bones) should be switched from animation to skeleton in the retargetting options then it usually works well.
The rest pose of your mesh should be close to the A pose of the UE4 mannequin. All bones below pelvis (and the “IK” bones) should be switched from animation to skeleton in the retargetting options then it usually works well.