I've just got an interesting idea about how a malicious e-mail sender
could try to get a unseen by the recipient reading confirmation,
including the IP address of the recipient. I was working on S/MIME
messages and I thought about the signature validation process, where
some of the steps could requi...
could try to get a unseen by the recipient reading confirmation,
including the IP address of the recipient. I was working on S/MIME
messages and I thought about the signature validation process, where
some of the steps could requi...
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