Email Attachment Management via File Server Linking

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Solution Overview

Problem

Existing messaging systems face challenges in efficiently exchanging large email attachments due to file size limitations, leading to overburdened resources and inconsistent attachment handling across different service providers.

Innovation Solution

Implementing a method where email attachments are sent to a file server instead of being included in emails, allowing recipients to retrieve attachments via links embedded in emails, with options for automatic or manual retrieval and expiration dates for links to manage storage and usage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If attachments are included directly in email messages, then email clients can access attachments locally, but file size limitations are imposed and messaging system resources are overburdened

Engineering Contradiction:
Improveattachment file sizeVSAvoidmessaging system resource efficiency
Core Design Contradiction:
Quantity of substanceVSProductivity

Solution Approach 1:

The patent extracts attachments from email messages and stores them separately on a file server. Instead of embedding attachments within email messages, the system separates the attachment data from the message content, allowing emails to contain only references (URLs) to attachments. This resolves the contradiction by enabling large attachment files without overburdening the messaging system, as the messaging system only handles lightweight reference data rather than actual attachment content.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces a file server as an intermediary component between the email system and attachments. The file server handles storage, management, and delivery of attachment files, while the email system focuses on message delivery. This intermediary architecture allows the messaging system to circumvent file size limitations without directly handling large attachment files, thereby maintaining resource efficiency while supporting large attachments.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If different messaging providers impose varying attachment size limits, then each provider can manage its own resources, but users experience inconsistent attachment handling across providers

Engineering Contradiction:
Improvecross-provider attachment compatibilityVSAvoidattachment management complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal attachment management approach where attachments are stored on a shared file server accessible by multiple messaging providers. Instead of each provider maintaining separate attachment storage and management systems, the file server provides a common platform that all providers can utilize. This universal architecture enables consistent attachment handling across different providers while reducing overall system complexity, as providers no longer need to implement their own attachment storage infrastructure.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Quantity of substance

If attachments are stored on a file server and accessed via links, then file size limitations are circumvented, but additional retrieval steps are required

Engineering Contradiction:
Improveattachment file sizeVSAvoidattachment retrieval convenience
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The patent performs preliminary actions by automatically generating and embedding retrieval links within email messages before delivery. Instead of requiring users to manually locate or request attachments, the system pre-places accessible links directly in the email content. This preliminary embedding of retrieval information maintains ease of operation, as users can access attachments through convenient in-email links without additional retrieval steps, while still benefiting from the file server's ability to handle large files.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP3149899B1Message attachment management
Publication Date: 2019.07.31 APPLE INC
  • EP3149899B1 patent drawingFigure 1
  • EP3149899B1 patent drawingFigure 2
  • EP3149899B1 patent drawingFigure 3

AI summary

A method and system for exchanging email attachments is disclosed. An attachment can be sent to one or more recipients using a file hosting service. In this way, instead of including the attachment with the email, the attachment is sent and stored on a file server. The attachment can later be retrieved by the email's recipients using a link that is included in the email. The link can be embedded in the email's header or body. In one case, the attachment is automatically retrieved from the file server using the link. In another case, a recipient can manually retrieve the attachment from the file server using the link. A link can be associated with an expiration date such that when a link expires, the link can no longer be used to retrieve the attachment.