Options:
  - Name: debug
    Type: Bool
    Value: false
    Usage: Turn on debugging.

  - Name: addr
    Type: String
    Value: '"localhost:5002"'
    Usage: Address of the service.

  - Name: smtp-addr
    Type: String
    Value: '"localhost:25"'
    Usage: Address of the SMTP server.

  - Name: smtp-user
    Type: String
    Value: '""'
    Usage: User for the SMTP server.

  - Name: smtp-password
    Type: String
    Value: '""'
    Usage: Password for the SMTP server.

  - Name: email-from
    Type: String
    Value: '"noreply@abc.com"'
    Usage: The from email address.
