Email Encryption

• How can I encrypt an email?
• I received an email saying that an email I sent was encrypted because it contained sensitive information, but I didn’t have anything sensitive in it.  What should I do?
• I sent an encrypted email and the recipient is having problems opening it.  What information can I provide so that they can read the email?
• Will the recipient of encrypted email that I send have to sign up for the Cisco Registered Envelope Service every time?
• If I send an encrypted email and the recipient replies, is the reply encrypted?
• Can I encrypt an email going to an internal @utoledo.edu address?
• Can students send encrypted email?