Christmas X Word

[crosswordfan]

1...How any naughty childs letter gets a rude initial notification in turn(6)...U???A?
2...Santas team goes all for one and one for all(4)...???R
3...Only the bronze medallist of the magi maybe. At any rate thats the clue(5,4)...LEAST, ?I?E
4...More ornamental than functional maybe they glow at a stretch(6,6)...S???N?LIGHTS
5...Quick and soft musically put in unscored lettering(3)...P?U

[ProfessorMaisie]

UNREAD (anag) 'a rude' + 'n[otification]'
DEER (both singular and plural = 'all for one and one for all')
LEAST WISE
string lights?
piu? (= 'more' mus.)