She prayed naafil after Fajr and it was said to her that this puts one beyond the pale of Islam

No File Exists
Check below answers in case you are looking for other related questions:
Making up prayers at times when prayer is disallowed
Times when it is forbidden to offer voluntary prayers

No File Exists
Related Answers:
Tahiyat al-Masjid at times when prayer is not allowed
Should one kill snakes and scorpions whilst praying?
When was prayer made obligatory? How did the Muslims pray before prayer was made obligatory?
Making up prayers at times when prayer is disallowed
Times when it is forbidden to offer voluntary prayers

Recommended answers for you:
How to pray and fast in countries where the day or night is continuous
Circumcision: how it is done and the rulings on it
Ruling concerning women covering their feet in prayer
The one who cannot help vomiting does not have to make up the fast
Defining the hour when du’aa’ is answered on Friday