This topic answers your questions about how to send Email messages to one or more recipients:
How Do I Compose and Send a New Email Message?
How Do I Reply To an Email Message?
How Do I Forward an Email Message?
How Do I Check Spelling in My Email Message?
How Do I Add Contacts from Address Book?
How Do I Ask For a Return Receipt When I Send an Email Message?
How Do I Respond To an Email Message That Asks For a Return Receipt?
How Can I Send an Encrypted or Signed Email Message?