Secure Email Filtering via Trusted Third-Party Certification
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Solution Overview
Problem
Current electronic message filtering services are inadequate in blocking unsolicited messages due to high false-positive classifications and require frequent updates to counter evolving spamming techniques, and existing solutions are limited in addressing the broader spamming phenomenon.
Innovation Solution
A method and system that establish secure connections between mail subscribers using a server application to generate unique secure mail addresses, intercept and verify messages, and translate between secure and public addresses, ensuring only verified messages are forwarded to the inbox while unverified messages are discarded or marked as spam.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional filtering services screen messages based on keywords, formats, patterns or known identifiers, then spam filtering is provided, but false-positive classifications occur and frequent updates are required
Solution Approach 1:
The patent introduces a trusted third-party certification authority that issues digital certificates to legitimate senders. This intermediary verifies sender identities and provides cryptographic proof of authenticity, eliminating the need for complex keyword-based filtering and reducing false positives while maintaining system reliability.
2Reliability
If designated mailing addresses are created for email subscription services, then part of the spamming phenomenon is addressed, but the solution is limited in scope
Solution Approach 1:
The patent creates a universal digital certificate system that can be applied to all types of email communication, not just subscription services. The certification authority can issue certificates to any legitimate sender, making the solution universally applicable to newsletters, forums, direct emails, and other communication types, thereby increasing both effectiveness and coverage.
3Reliability
If secure connections are established with approval procedures and challenge response authentication, then message verification is improved, but connection establishment complexity increases
Solution Approach 1:
The patent performs authentication and certificate verification in advance during the connection establishment phase. By pre-verifying sender identities and caching validation results, the system ensures high security while reducing the operational burden on users during actual message transmission, as the complex verification has already been completed.
Data Source
AI summary
The present invention discloses a system for blocking unsolicited emails. The system comprising: a server application for providing a filtering service between at least one protected and a second mail subscribe. The server application is comprised of: a communication module for establishing secure connections between at least two mail subscribers, a repository of secure connections including records of secure mail addresses created for each secure connection, an interception module for verifying secure messages by comparing the sender's address to the sender address in the secure connection repository, a transmission module for forwarding the verified messages to the public target mail address by translating between secure mail address and the public mail addresses of verified messages.