Don’t let what happened to the director (actually, former director) of a very powerful government agency make you think that engaging in anonymous email activities is impossible. It is, though, as with all things involving digital security, it can never be 100%.
But that should not keep you from trying to keep your email communications private and anonymous, because if you take the proper steps, you can create and maintain anonymous email accounts that will be almost impossible to trace back to you.
The steps you need to take are:
Download The Tor Browser Bundle: – You should use the Tor Browser Bundle when setting up and accessing your webmail account. You must always use Tor. If you mess up just once and log into the pseudonymous account from your real IP address, chances are that your webmail provider will keep linkable records about you forever. You will also need to ensure that you do not give your webmail provider any information that is linked to your real world identity. For instance, if prompted for an email account, do not use another real account during signup; use a throwaway address instead.
Set Up A Webmail Account: – Now that you have your Tor Browser up and running, use it to set up a new webmail account, ideally with a provider that you do not otherwise use. Using a separate webmail provider will help you to distinguish between your anonymous account and your regular email account.
Use end-to-end encryption with your pseudonymous email account:.
Read the complete article here.
You can also use tormail.org for extra security!