Just in case you missed the answers on the welcome thread Reply is a bit manual at the minute
Copy and paste the text into the reply then click the quote button
Double enter goes back to normal text
Click Follow replies to come back to the last new post since the last visit (and get the new notification icon).
email setting are changed from clicking on your user icon in top right and clicking edit my profile then clicking email notification settings The default settings don't send a lot of emails, but you can turn them all off