I've started getting this error on all my emails a few days ago and I am baffled as to what is the problem. I can received but when I try to send I get "554 Sorry, message looks like spam or phish to me (OP)".
Could this be the server with a new filter thinking that I'm sending spam?
Very frustrating because I have to use my hotmail to contact my clients right now which isn't very professional.
Thx