Without a sent mail folder it is very difficult to maintain a conversation. People reply to you as if you have a copy of What you sent them in front of you, but you don't making the context of their speech impossible, rendering the email massage system all but useless except for the most basic single sided conversations. Please provide a facility to retain your sent emails and both a way to remind you of your communications sent and a record for later in case someone accuses you of saying something you didn't