I am assuming that this is your trade: http://www.tf2outpost.com/user/335864

If so, then it appears you are not banned, not only that but you do not have a single post meaning you could not have been phising.

Not sure what else to tell you man.
Maybe an admin can clear this up for you.

It appears that many of your previous trades have been misleading hence why they were closed. You cannot advertise that you are paying a key when really you are only paying 1 refined for the item according to your trade notes.

Example: http://www.tf2outpost.com/trade/17736008

You probably don't realize how many users were tricked into thinking that you were paying a key for such items only worth a fraction of it.

Basically it's a new warning system implemented to help other users so that they do not get scammed by being more cautious with the trade/trader.

There is a 'flag' button on the bottom of the trade in which you can click on. Whether or not you need an x ammount of flags from other users to add up to a message like the one you showed above, I do not know but I don't agree with the logic as anyone can randomly flag a user. For example: Most (if not all) of the scrap.tf bots have that same message if I am not mistaken.

I am not sure if that message can be revoked but I think that feature needs to be removed as I have witnessed many people avoid a trader simply because of that warning message. Then they go around saying "blah blah blah is a scammer, don't trade with them."

I personally am fine with them warning people of a trade that may be one sided, etc. However, when the new implemented system is abused and a player is flagged anyone who trades that person will get that same above message posted. Overall it can seriously effect your trading experience with others when basically Steam is calling you a scammer right off the bat with no proof at all.

If you ever need to glance at the rules again, then you can always do so.

http://www.tf2outpost.com/rules

Originally posted by Terminus:

Just found this ad - http://www.tf2outpost.com/trade/16264768

Plenty of writing
Plenty of rules :)

Trades like that where users write stories is a bit much.
Notice how he only has one offer on the trade even though it's been a month.
Very few people would want to read it all.

Next trade

Try searching for MvM groups/players here.

Originally posted by Terminus:

the user will need to provide proof that it's up for sale.

The user can always link the item up for sale in their trade notes.

Originally posted by Terminus:

How would be know when it's sold?

The trade would be closed.

I personally don't see anything wrong with this if you put in your notes that the item is listed on the Steam Community Market and therefore will not be in the backpack.

I don't think it is possible yet.

Never heard of being banned for letting the admins know too much about things that are breaking the rules; especially since they encourage you to report such matters.