When Imam Sha'bi (may Allah have mercy on him) was asked about a man who gave his wife three divorces and, after the divorce, still maintained relations with her, and witnesses testified against him, but he denied it, he said: The prescribed punishment (hadd) will be dropped from him, but separation from the wife will be enforced.
Hadith Referenceسنن سعید بن منصور / كتاب الطلاق / 2720