(2) If it is a core journal, in fact, most organizations that help publish it can't check the manuscript, so it is impossible to distinguish between true and false. No matter whether the organization is reliable or not, whether the log is true or not, it cannot be verified. Therefore, this gives many swindlers an opportunity.
(3) The safest way is to contribute by yourself and directly to the HowNet system, especially the core journals, which are more expensive to find institutions to publish. I asked Tao Tao Paper Network to publish a comprehensive magazine before, and I got it three months later. But for the core journals, he asked me to contribute by myself, so I tried to contribute by myself first. But we can't find another way. I suggest you do the same.