How To Order Business Email, Client Authentication, and Document Signing Certificates

This how-to will walk you through the process of ordering, validating, and retrieving a Business Email, Client Authentication, and Document Signing Certificate from These versatile certificates can be used for S/MIME email, client authentication, and document signing, and authenticate your name, organization, and email address. Plus, they can also be used for Single Sign On (SSO) on Windows, Mac, and Linux.

1. Go to the product page for Business Email, Client Authentication, and Document Signing Certificates and click the Buy Now button.

Buy Now


2. Choose a duration for your certificate and click the Next >> button to add the certificate to your shopping cart.

Choose duration


3. In the shopping cart, you can change the quantity of certificates, remove them from your cart, or return to shopping with the Shop More button. When your order is complete and correct, click Checkout.

Shopping cart


4. If you are not already logged into your account or do not have an account yet, you will be prompted to login or create a new account at the Checkout screen. If you have an account, select I do and I want to log in now, enter your username and password, then click the Next >> button.

I do and I want to sign in now.


5. If you do not have an account, select I do NOT but I want to create one, fill in the requested information (username, email address, password, and billing information), then click the Next >> button.

Create a new account


6. If your account contains existing funds, they will be applied to your purchase. If your account does not contain sufficient funds, you will be prompted to add more. Click the Next >> button when your account has sufficient funds to complete the transaction.

Apply existing funds


7. If your order has been successfully placed, you will see a green bar near the top of the browser window, reading “Order successfully placed. Click here to finish processing your certificates.” Click the link, or the green order number beginning with “co-” in the order details.

Finish processing certificates


8. On the screen that opens, find your certificate order and then click the provide info link, located in the Action column. (Note: if you clicked the green button with your order number in step 7, this step will be skipped and you will go straight to step 9, below.)

Provide info


9. Enter your company’s name and contact information, and an administrative contact (Note: you will be entering the name and email address of the actual recipient of the certificate in the next step). To save your information for re-use, check the Save to Identity Manager checkbox. If you have previously saved registration information that you would like to re-use, you can select it from the Saved Registrants drop-down menu. When you are finished entering applicant information, click the Next >> button.

Applicant information


10. Now enter the first name, last name, and email address for the recipient (the person whose name will be on the certificate). You can use previously-saved recipients with the Saved Recipients drop-down menu, or re-use the administrative contact from the previous screen by checking the Registrant Contact checkbox. When you have entered the information, click the Next >> button.

Recipient information


11. You may now submit documents for Organization Validation (OV) and identifying documents for the recipient by clicking the Choose Files buttons and browsing for the files on your computer. When you are finished uploading files, click the Submit button. If you would like to skip uploading files for now and do it later, you can also click the Skip button.

Acceptable OV documents are as follows:

  • Articles of Association
  • Business License
  • Certificate of Compliance
  • Certificate of Incorporation
  • Certificate of Authority to Transact Business
  • Tax Certification
  • Corporate Charter
  • Official letter from an authorized representative of a government organization
  • Official letter from office of Dean or Principal (for Educational Institutions)

To identify the individual recipient, you can send an image of a driver’s license, passport, or personal ID.

Upload files


12. After submitting your document(s), a screen will open with a message that the documents were successfully saved, and the certificate will be shown with a status of pending validation. If you need to upload more validation documents, you can click the upload documents link, located in the Action column.


13. When the documents you uploaded have been validated by our staff, the recipient address (specified in step 10 above) will receive an email with a link to collect the certificate. Click the link.

Email link


14. Click the Generate Certificate button to generate a new certificate signing request (CSR), certificate, and private key.

Note: If you want to specify the algorithm, you can choose between RSA and ECDSA with the Algorithm drop-down menu. You can also click the Show Advanced Option button, which will reveal a drop-down menu for choosing the key size. Finally, checking I have my own CSR will let you use your own certificate signing request and private key rather than generating a new CSR and key.

Generate Certificate


15. Text fields containing the new CSR, certificate, and private key will appear.

New CSR, certificate, and key


16. To download a PFX file containing your new certificate and private key to your computer, create a password of 6 characters or more, then click the Download button. Remember this password. You will need it when you install the certificate and key on your computer. Also, it is very important that you keep your private key secure and do not lose it. does not ever see or handle your private keys and cannot help you recover a lost key (it will be generated in your browser, on your own computer). Without your private key you will not be able to digitally sign email and documents or read email that has been encrypted with your public key. Even worse, anyone with your private key will be able to assume your identity for client authentication or when signing email and documents.

Download PFX file

If everything has gone correctly, your new certificate and private key are now ready for installation. If you need more help or information, please contact us by email at, call 1-877-SSL-Secure, or just click the chat link at the bottom right of this screen. And, as always, thank you for choosing!