Email Privacy System Using Alias Segmentation and Sender Verification
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Solution Overview
Problem
Users face challenges in maintaining email address security and privacy due to the widespread sharing of email addresses, leading to issues with unwanted emails and lack of effective pre-validation of senders before email delivery.
Innovation Solution
A system comprising an email server, application server, and database that generates unique email addresses, verifies sender authenticity through various methods, and manages email communication to prevent spam and unauthorized contact, using techniques such as CAPTCHA, DKIM, SPF, and IP location verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users share their email address with multiple contacts for personal and professional use, then email address accessibility and communication convenience are improved, but email security and privacy are worsened due to increased exposure to spam and unauthorized access
Solution Approach 1:
The system segments a single email address into multiple alias addresses (e.g., name+site1@example.com, name+site2@example.com). Each alias can be independently assigned to specific services or contacts, allowing users to maintain one primary email address while creating numerous specialized aliases for different purposes without exposing the primary address.
Solution Approach 2:
The email aliasing system acts as an intermediary layer between the user's primary email address and external services. Instead of directly sharing the primary address, users share aliases that route through the email service provider's infrastructure, which filters and manages incoming emails, blocking spam and unauthorized access before they reach the user's inbox.
2Object-affected harmful factors
If users change their email address to stop unwanted emails, then email security is temporarily improved, but communication convenience deteriorates due to the need to notify all contacts
Solution Approach 1:
Instead of changing the entire email address, users segment their email identity into aliases. When spam or unwanted emails occur, users can disable or delete individual aliases without affecting their primary address or other aliases, thus maintaining communication with legitimate contacts while blocking harmful sources.
Solution Approach 2:
The system performs preliminary actions by pre-configuring multiple aliases and establishing routing rules before unwanted emails arrive. Email filters and spam detection mechanisms are set up in advance, automatically blocking unwanted emails before they reach the user, eliminating the need to change addresses or notify contacts.
3Reliability
If email service providers implement post-delivery spam detection, then spam identification capability is improved, but email delivery speed and user experience worsen due to delays in detecting unwanted emails
Solution Approach 1:
The system performs preliminary spam detection and filtering before email delivery to the user's inbox. Multiple layers of validation including blacklist checking, content analysis, and sender verification are executed in advance during the email routing process, so that spam is identified and blocked before it reaches the user, maintaining both high detection accuracy and fast delivery speeds for legitimate emails.
Solution Approach 2:
The email service provider's infrastructure acts as an intermediary that performs spam detection and filtering between the sender and the user's inbox. This intermediate layer analyzes incoming emails using multiple criteria (sender reputation, content patterns, attachment analysis) and automatically blocks or quarantines spam without requiring the user to wait for post-delivery detection, thus maintaining fast delivery for legitimate emails while achieving high spam detection accuracy.
Data Source
AI summary
A system and method is proposed for managing email messages across a network. The system provides multiple means of verifying an originating sender of email. In addition, the system automatically generates unique email addresses as a means mask the email address of an original sender and shield users from unwanted email. The system may also be configured to block email security threats (e.g. phishing, spear phishing, etc.). Further, the system provides means of processing email messages to enable encryption, spam detection, geographical location identification of users, and social networking.