Simplify the following text for a Grade 10 native English-speaking person.
Original: A user who edits through an account they have registered , may immediately create pages in any namespace ( except the MediaWiki namespace , and limited to 8 per minute ) and may also e-mail other users if they activate an email address in their user preferences .
Simplified: A user who edits through an account they have registered , may e-mail other users if they activate an email address in their user preferences .