This comment indicates that a new user is having difficulty posting. Apparently they've received the message:
Your post cannot be submitted at this time due to the volume of spam and abuse originating from your network.
I don't know how to advise them, but it's coming at the same time that they are working to improve their first question just put on hold, so it probably feels a bit unfair.
spam
tag because my question is how to advise the new user. – uhoh Sep 5 '18 at 10:28