De or het geleibrief?

The correct Dutch article is:

de geleibrief

How to use geleibrief

the geleibriefde geleibrief
this geleibriefdeze geleibrief
that geleibriefdie geleibrief
our geleibriefonze geleibrief
your geleibriefjouw geleibrief
every geleibriefelke geleibrief
which geleibrief?welke geleibrief?
a big geleibrief / the big geleibriefeen grote geleibrief, de grote geleibrief