ChofetzChaimDaily 19 Tamuz 5:5 Saying that someone is weak, can damage him for shidduchim or in getting a job. Asur to say that ploni isnt as rich as thought to be, if it will make it hard for him to get a loan. 5:6 RULE: It depends on who you are talking about; whats positive for one person, might be very negative for another.
ChofetzChaimDaily 12 Tamuz 4:3 By an average Jew, you must assume that what he did was a mistake, or that he didnt know that it was wrong. Even if you saw him do it many times, asur to relate it. 4:4 Even if one is sure that subject KNEW it was wrong, asur to tell, because maybe he did teshuva. Rather you should rebuke him privately and nicely.
ChofetzChaimDaily 4 Tamuz 2:9 Heter of Apei Tlasa doesnt allow one to BELIEVE story, add to it, or show you agree to it. See sefer for further elaboration. 2:10 Heter doesnt apply if listener will believe what youre saying. With all its limitations, applying this heter is rare, and many authorities disagree with it anyway.