To send digitally signed or encrypted emails, you need to obtain and install a personal certificate.


You must read and understand this warning before using a certificate to encrypt your email or files.

If you use a certificate, it is your responsibility to ensure that you have taken adequate measures to safeguard your private key. Full instructions on backing up your private key and certificate on a Windows machine are available below.

If you have any doubts regarding the use of certificate to encrypt your email, contact the ICT Security team via the ICT Service Desk.

Obtain a personal certificate

As a member of College you are entitled to a certificate that is used to prove your identity to other College members.

To request your certificate you must enrol by following the instructions below. You will need to be connected the College network to access this site, by College computer or via remote access. By enrolling, you indicate that you have read and understood the warning above.

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Once you have completed the wizard, your certificate is ready to use.

The certificates provided by Imperial should work with any S/MIME-enabled client. Please be aware that digital signing of emails is not possible with Firefox as it disables the S/MIME by default. 


If you experience issues when using your personal certificate, contact the ICT Service Desk.

Set up a personal certificate on your account

Send encrypted/signed emails and back up your key