Security - Mac OS X Mail

Ben Greiner -

 If you want to beef up your security a bit, consider signing your email messages (and eventually encrypting them).

 

Most people today send unsigned email messages. A signed message provides a greater level of security than an unsigned message because it informs the receiver that the message has not been tampered with since it left the sender. However, a signed message offers a lower level of security than an encrypted message.

 

Create a StartSSL Account to generate free TLS Certificates:

  1. Visit StartSSL and click the Sign-up button. Be sure to use your personal information and not company information.
  2. StartSSL will email you a verification code to confirm your email address. Copy and paste it into the StartSSL webpage. The account will be under review until a member of the StartSSL team looks over the request.
  3. An email will be sent to the account you used. In the body of the email address there will be a link and verification code. Click the link and enter the verification code in when prompted.
  4. StartSSL will ask what grade of certificate you'd like to use, select High unless there's a reason not to.
  5. Select Install. An authentication certificate will be downloaded on to your computer. Double click it to add it to your Keychain. Store this identity certificate in another safe place that's backed up!!

Basic Instructions to Begin Signing Your Email Messages

  1. Authenticate to the StartSSL webpage.
  2. Select Validations Wizard from the upper left. Select email address validation. Validate your email address by entering it, receiving an email with verification code and entering it on the prompted webpage.
  3. Once the email has been validated, go to the Certificate Wizard from the upper left.
  4. Select S/MIME and Authentication Certificate, select High-grade unless there's a reason not to, and then select the email address that was validated from the drop down. An TLS certificate will be downloaded on to your computer. Double click it to add it to your Keychain. Store this identity certificate in another safe place that's backed up!!

 

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