No. S/MIME operates on a no-trust model, so once an email is encrypted and leaves the device, it is not available until it is decrypted by the intended recipient.
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Set up Outlook to use S/MIME encryption in Outlook for Windows
No. S/MIME operates on a no-trust model, so once an email is encrypted and leaves the device, it is not available until it is decrypted by the intended recipient.
Set up Outlook to use S/MIME encryption in Outlook for Windows