Electronic Message Format Conversion for Offline Access
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Solution Overview
Problem
Conventional mobile email distribution tools convert all emails to HTML markup, limiting usability as they require a network connection to view or read emails, making it impossible to access emails without internet connectivity.
Innovation Solution
A method that analyzes electronic messages based on predetermined conditions, converting them from a cacheable format to a non-cacheable HTML format when specific conditions are met, such as location or security policies, allowing offline access on mobile devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all emails are converted to HTML markup format, then security is improved by preventing local caching of sensitive information, but usability deteriorates because users cannot access emails without a network connection
Solution Approach 1:
The patent applies different format conversions to different portions of email content based on sensitivity analysis. Non-sensitive portions remain in cacheable formats for offline access, while sensitive portions are converted to HTML markup. This selective approach allows users to access emails offline while maintaining security for sensitive information, resolving the contradiction between security and usability.
Solution Approach 2:
The email content is segmented into sensitive and non-sensitive portions through analysis of keywords, headers, and body content. This segmentation enables differential formatting where only necessary portions are converted to HTML, allowing the rest to be cached locally. This resolves the contradiction by maintaining usability through local caching while ensuring security through selective HTML conversion.
2Reliability
If emails are converted to HTML markup format, then security is improved by preventing local storage, but accessibility deteriorates as users require continuous network connection to read emails
Solution Approach 1:
The system analyzes email content to identify sensitive portions and applies HTML markup conversion only to those specific portions. Non-sensitive content remains in cacheable formats, enabling offline access. This selective conversion maintains security for sensitive information while preserving accessibility for non-sensitive content, resolving the contradiction between security and accessibility.
Solution Approach 2:
Email content is segmented into sensitive and non-sensitive sections through automated analysis. The non-sensitive segments are cached locally for offline accessibility, while sensitive segments are converted to HTML that requires network access. This segmentation strategy resolves the contradiction by enabling offline access to non-sensitive content while maintaining security controls for sensitive content.
3Ease of operation
If selective format conversion is implemented based on content analysis, then both security and usability are improved, but system complexity increases due to additional analysis and conversion steps
Solution Approach 1:
The system performs preliminary analysis of email content during the email reception phase to identify sensitive portions before the user needs to access them. This advance classification allows the system to pre-convert only necessary portions to HTML format, reducing the complexity of real-time conversion decisions and improving overall system efficiency while maintaining both security and usability.
Solution Approach 2:
An intermediary analysis component is introduced between email reception and delivery to automatically classify content sensitivity. This intermediary performs keyword matching, header analysis, and body content examination to determine which portions require HTML conversion. By centralizing this analysis function, the system manages complexity while achieving both security and usability improvements through selective format conversion.
Data Source
AI summary
Techniques for managing electronic message distribution are disclosed. In one particular embodiment, the techniques may be realized as a method for managing electronic message distribution, the method includes analyzing an electronic message, determining whether the electronic message satisfies one of a plurality of predetermined conditions, converting at least a portion of the electronic message from a first format to a second format based on the determination of whether the electronic message satisfies the one of the plurality of predetermined conditions, and transmitting the converted electronic message.