Although non-Trusted certificates provide a high level of encryption, they are not always the best choice because they are self-generated instead of purchased from a trusted authority. Because of this, visitors to your site may receive a warning popup window when they access a secure page:
If you can put up with this inconvenience, then a self-generated secure certificate is adequate for your site. If you are a company selling goods or services, we highly recommend that you purchase a trusted certificate. A non-trusted certificate may be harmful to a web site's reputation.
