By logging in to LiveJournal using a third-party service you accept LiveJournal's User agreement
Posts that don't comply will be rejected, so don't waste your time creating a post if you're not going to follow the rules. Anyone who persistantly breaks rules (3+ times) will be banned, and their last offense will be marked as spam, which could lead to your account being suspended from the LiveJournal site entirely.
This is what it should look like: