Steps to get public cert from a signed message

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Solution:

Steps to extract public certs from a signed message.

1). Right-click on signed message and select "Show Original"

2). Copy entire message and create a file on Linux system. (like raun.msg in example below).

Run this command to save cert in raun.pem:

cat raun.msg | openssl smime -pk7out | openssl pkcs7 -print_certs > raun.pem

Submitted by: Raunaq Malik