regarding your additional documents, send any proof that has not been previously submitted, and also try to send email exchanges, skype pictures and chats and viber chat history, also pay attention that the purpose of additional document is to make the visa officer decide about your case without the personal interview so if you are able to convince the visa office through evidence that you and your wife are in contact after the marriage then there is no need for a personal interview and you will get re-medical request soon,
regarding email ID i don't think that will slow down the process of your case, remember EMAIL ID is essential and the best way of communication between you and high commission, hope that helps,