I would like to writte a letter to someone who is introduced to me through the word of mouth, I dont know this person but a lot of goodness is spoken of him and he can be of help to my present problem. How and what do I writte to him?
Thanking you in advance!
We need more information to give you a specific answer, but in general terms you could say something like:
You don't know me, but I am a friend of (name) and he has spoken very highly of you. Please forgive my presumptuousness, but I wonder if you might be able to help me with a problem.