How to: Renew your TTU personal digital certificate when it expires


You should receive an expiration notice from 30 days prior to your certificate expiration. Upon receipt of the email notice, follow the instructions in How to: Request a personal digital certificate for signing and encrypting emails.


TechMail administrators will initiate an invitation to be sent to you. You will receive an invitation at your TechMail address from with instructions for downloading your certificate.

For instructions on downloading the certificate, please see How to: Download your digital certificate for signing and encrypting emails. You can then configure your email software to use the certificate.

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TIP: If you have email messages which were encrypted to you using a previous certificate, you will need to keep that certificate installed if you wish to be able to read those encrypted messages.