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S/MIME Application and Installation - Certum Email ID Certificate
發佈人 Sherry Li 發表於 26 November 2021 12:06 PM

S/MIME Application and Installation - Certum Email ID Certificate


▼ How to apply S/MIME Certificate

①. Please click to Certum E-mail ID Certificate - S/MIME page, then select the plan you order, and click "Apply Now".

(Or you can go to Yuan-Jhen official website ➠ Email➠Certum E-mail ID-S/MIME).

S/MIME certificate application



②. Please review carefully your order at the checkout page.

If you are a new user at Yuan-Jhen, you can register at this page by filling in your information, agree with Term of Service, and click to checkout.

S/MIME certificate application



③ Please collect the order information that is sent to your registered mail.

After payment is completed, you will receive the order confirmation and SSL Certificate Configuration Required.

Please log-in to Yuan-Jhen Customer Center, click to your Certum Email ID at Your Active Products/Services part to install it.

S/MIME certificate application




▼ How to install S/MIME ?

①. Click to Provide new CSR to Renew at Certum Email ID page, we will first need to generate a Certificate Signing Request (CSR).

S/MIME certificate Installation




②. Generate CSR by Cygwin

Please download Cygwin (https://www.cygwin.com/) , open Cygwin when the download finishes and insert command by following these steps:

❶ Input openssl req -new -newkey rsa:4096 -nodes -keyout server.key -out server.csr

❷ Then Enter, please fill in the required information:
Notice: Please note that the information on this page can only be filled in in English, it will not be issued if it is filled in Chinese.

  • Country Name (2 letter code) [XX]: Use the International Organization for Standardization (ISO) country code format and fill in the 2-letter country code. For example, please fill in TW.
  • State or Province Name (full name) []: Province,please insert Taiwan.
  • Locality Name (eg, city) [Default City]: City,for example insert Taipei.
  • Organization Name (eg, company) [Default Company Ltd]: Organization,write company name in alphabetic characters only.
  • Organizational Unit Name (eg, section) []: Organizational Unit (OU),for example insert IT Dept
  • Common Name (eg, your name or your server's hostname) []: The email address you want to encrypt with a certificate.
  • Email Address []: Email address.
  • challenge password[]: Can leave it blank.
  • An optional company name[]: Can leave it blank.
S/MIME certificate Installation - S/MIME CSR




③. Continues to run cat server.key for having Private key
Please save a backup copy of your private key somewhere secure.

S/MIME certificate Installation - Private key

S/MIME certificate Installation




④. Run cat server.csr for having CSR
Copy the entire text of the CSR.

S/MIME certificate Installation - CSR




⑤. Paste CSR into Provide new CSR to Renew, then save it.

S/MIME certificate Installation




⑥. Click to Show Certificate in Yuan-Jhen Customer Center, then Click to Configuration to configure S/MIME.

S/MIME certificate Installation




⑦. Configure S/MIME Certificate Settings:
Notice: Please note that the information on this page can only be filled in in English, it will not be issued if it is filled in Chinese

❶ Paste the previously generated CSR into the CSR field, and click Get details from CSR.

S/MIME certificate Installation




❷ After click Get details from CSR, Certificate Details will automatically generate information to fill in.

S/MIME certificate Installation




❸ Administrative Contact Information
Notice: Please note that the information on this page can only be filled in in English, it will not be issued if it is filled in Chinese.

The contact information below will not be displayed on the certificate, it is only used to contact you about the order. The email address specified below is used for sending renewal reminders. After filling in the information, please click "Click here to continue".

S/MIME certificate Installation




❹ After confirming the accuracy of all the information, then click on "OK" in the pop-up window.

S/MIME certificate Installation




❺ Click to Continue.

S/MIME certificate Installation




⑧. Your SSL certificate application has been submitted, please wait for "Certificate Issuing Authority (CA)" verification. You will receive an email about verifying.

S/MIME certificate Installation




⑨. Go to your email and click "Verify your email address" to confirm your email address.

S/MIME certificate Installation




⑩. After verified email address, go back to Yuan-Jhen Customer Center and click “Show Certificate”.

S/MIME certificate Installation




⑪. Store Public Key and Intermediate Certificate:

❶ Please click “Save” of "X.509 Certificate" and "Intermediate Certificate", to save the certificate to cygwin→home→(your file).

S/MIME certificate Installation

❷ The certificate file name will be showed as the following example:

  • X.509 Certificate file name: your email_60746CD6CEDBA5982912EEB352FC504B
  • Intermediate Certificate filename: your email_intermediate

S/MIME certificate Installation




⑫. Combine crt and key into pfx (contain public key and private key of Intermediate Certificate)

➊ Go to Cygwin and insert the following command:
openssl pkcs12 -export -in your email_60746CD6CEDBA5982912EEB352FC504B.cer -inkey private.key.txt -out server.pfx -certfile your email_intermediate.cer

*The following file names must be consistent with ⑪ Save the Public Key and the Intermediate Certificate:

  • Your email_60746CD6CEDBA5982912EEB352FC504B.cer
  • -inkey private.key.txt
  • -out server.pfx
  • -certfile Your email_intermediate.cer

➋ Please enter the password directly, it will not be displayed.
(Please make sure that the password is entered correctly and saved. This password is required when setting the mailbox.)

S/MIME certificate Installation




⑬. You have finished generating the SMIME certificate, you can see your SMIME encrypted certificate in the folder.

S/MIME certificate Installation



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