It is narrated from Sayyiduna Anas bin Malik, may Allah be pleased with him, that he said: When the people of Yemen came, the Prophet, peace and blessings be upon him, said: "The people of Yemen have come, and they are more soft-hearted than you." And they were the first people to introduce handshaking.
Hadith Referenceالادب المفرد / كتاب السلام / 967
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : سنن أبى داؤد ، الأدب : 5213»
It is narrated from Sayyiduna Bara’ bin ‘Azib (may Allah be pleased with him), he said: The completion of greeting (salam) is that you shake hands with your brother.
Hadith Referenceالادب المفرد / كتاب السلام / 968
Hadith Gradingالألبانی:صحيح الإسناد موقوفًا
Hadith Takhrij«صحيح الإسناد موقوفًا : تفرد به المصنف»