Messages stopped working

Ever since the new update, my contacts are not receiving my messages. For every 4 I send, they receive one. They no longer show up as online/away (when in fact they are, as they simultaneously emailed me and said they were). Its quite frustrating and makes me want to delete the application and go elsewhere to message my friends. Please look into this issue and fix.

Aisnaidniqkdwow about Skype for iPhone