Email Security: Convert a .cer format SSL Certificate to .pem for TLS

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Learn how to convert a CER format SSL certificate to PEM for TLS in SonicWall Email Security. Follow this guide for secure email transmission.

Email Security: Convert a .cer format SSL Certificate to .pem for TLS

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Convert a .cer Format Certificate to .pem Format for TLS on Email Security

 

 

If you have a .cer file from your certificate authority, there is a way to convert that to a .pem certificate. (TLS on email security requires the certificate to be in .pem format.)

Steps to accomplish this are as follows:

 

 

·       Get the ‘openssl’ tool and extract the files in a folder i.e. on c:openssl ( it extracts the openssl.exe file under the following path c:opensslbin)

·       Copy the .cer certificate at the same location (i.e C:opensslbinSWsslcert.cer)

·       Open command prompt and run the command.

·       C:>c:opensslbinopenssl x509 -in SWsslcert.cer -out  c:opensslSWsslnew.pem

 

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A .pem file will be created in c:openssl

upload the .pem file in the ‘configure StartTLS’ page from WebUI.

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