I want to start using Tixati as my main torrent client and exploit all the commodities of the rss feature but I can't because I might get banned, it would be nice having an option to use a peerID per site or maybe globally, please think about adding it since there are many users that can't use tixati because of this.

+1 for this. also to change the peer id globally would be nice.

ps. try to get your private tracker to add tixati to its white list.