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Businesses handling confidential info, legal and medical professionals, anyone concerned about privacy and data protection in email communication.
The software encrypts the content and attachments of an email before sending it. Only users with the correct decryption key can open and read the messages. It uses cryptographic protocols like PGP or S/MIME to ensure security.
Usually, yes. Both parties need compatible encryption tools or keys to send and receive encrypted emails.
There's slight overhead, but it's mostly negligible compared to the security benefits.
Setup can be technical, but many solutions offer user-friendly guides and automation.
Typically, metadata isn't encrypted, so only the email body and attachments are secured.
Encrypted content is hard to search unless decrypted first, which may affect archiving.
