HANDSHAKING IS REWARDED H 900 "When two Muslims meet and shake hands they are forgiven their sins before they part." R 900 Abu Daud with a chain up to Bra'a who related that the Prophet, praise and peace be upon him, said this.
887- وعن البراءِ رضي الله عنه ، قَالَ : قَالَ رسولُ الله صلى الله عليه وآله وسلم : "مَا مِنْ مُسْلِمَينِ يَلْتَقِيَانِ فَيَتَصَافَحَانِ إِلاَّ غُفِرَ لَهُمَا قَبْلَ أنْ يَفْتَرِقَا" رواه أَبُو داود .