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Security level | Description of an encryption function | Examples of use | Address format/Example |
"Letter" | An easy and straightforward transmission to send an email containing secret information. To encrypt your message, include the character '.s' after a recipient's email address (see the example in the the fourth column). | Offers, price information, inquiries, reports and financial statements, personal identification numbers, confidential information of business partners, part of cooperation with authorities (where no sensitive personal data is involved), documents confidential under the Act on the Openness of Government Activities (e.g. thesis research plan), and all secret/classified information. | |
"Registered Letter" | Brings an extra security layer when sending a secret e-mail compared the Letter security function. The sender can verify the recipient by inserting the recipient’s telephone number and the character '.s' after the recipient's email address. To encrypt your message, include the recipient's phone number and the character 's' after the recipient's email address (see the example in the fourth column) . Note: Registered Letter' level is exclusively accessible to authorized employees based on the nature of their duties. At this level, receiver authentication is achieved through SMS verification. In practical terms, when the recipient opens the message, the system prompts for a PIN code, simultaneously delivered as a text message to the receiver’s mobile phone. | Health information or information about the use of health and social services, board/committee communications, all sensitive personal data (information about a person's financial position, unemployment, family circumstances, matters of private life), organization's confidential information, financial and legal commitments, confidential information and decisions, and all secret/classified information. | name@company.fi.0401234567.s |
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