2. Question: Why shouldn’t a man send regards to another man’s wife, whether directly, or through someone else even her own husband but he can ask how she is doing according to the Bach and the Shai LiMoreh even says that the Bach is telling us it is proper manners to ask him how his wife is feeling, but he can ask others how she is feeling as well?
A. The Chelkas Mechokek in Shulchan Aruch (Even HaEzer 21:6:7) says the reason why one shouldn’t send regards to a married woman even though her husband is obvious is because it shows affection and can lead to increase love and eventually sin.
Answer: Saying hello is showing affection, but asking how she is doing is just showing concern, which some opinions hold might lead to affection, but the Bach holds, it is proper derech eretz manners to be concerned about the health of any person, especially if it is known that someone is sick it makes those that are sick or there family members feel a bit better when they see people share their care and concern for them.