Skip to content

haiderali-dev/Cloud-Computing

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 

History

3 Commits
 
 
 
 

Repository files navigation

Software Requirements Specification (SRS)

Email Attachments Manager (SORT-E)

Document Version: 1.0
Date: January 2025
Prepared by: System Analysis Team
Project: Email Attachments Manager (SORT-E)


Table of Contents

  1. Introduction
  2. Overall Description
  3. System Features
  4. External Interface Requirements
  5. Non-Functional Requirements
  6. Other Requirements
  7. Appendices

1. Introduction

1.1 Purpose

This Software Requirements Specification (SRS) document describes the functional and non-functional requirements for the Email Attachments Manager (SORT-E), a comprehensive desktop email management application. This document serves as a contract between the development team and stakeholders, providing a detailed specification of the system's capabilities, constraints, and quality attributes.

1.2 Scope

The Email Attachments Manager (SORT-E) is a professional desktop application built with PyQt5 that provides advanced email management capabilities with a focus on attachment handling, organization, and automation. The system combines professional email management features with powerful attachment search and automated tagging systems.

Key Capabilities:

  • Multi-user dashboard with secure authentication
  • Multi-account email management via IMAP
  • Advanced attachment search and organization
  • Automated tagging with custom rules
  • Bulk email operations
  • Performance monitoring and optimization
  • Cross-platform desktop application

Out of Scope:

  • Web-based interface
  • Mobile applications
  • Email composition and sending
  • Calendar integration
  • Contact management
  • Real-time collaboration features

1.3 Definitions, Acronyms, and Abbreviations

Term Definition
SORT-E Email Attachments Manager application name
IMAP Internet Message Access Protocol
SMTP Simple Mail Transfer Protocol
MIME Multipurpose Internet Mail Extensions
UI User Interface
API Application Programming Interface
SRS Software Requirements Specification
GUI Graphical User Interface
MVC Model-View-Controller
TTL Time To Live
FPS Frames Per Second
DPI Dots Per Inch
SQL Structured Query Language
SSL/TLS Secure Sockets Layer/Transport Layer Security

1.4 References

  • IEEE Std 830-1998: IEEE Recommended Practice for Software Requirements Specifications
  • RFC 5322: Internet Message Format
  • RFC 3501: Internet Message Access Protocol (IMAP) Version 4rev1
  • PyQt5 Documentation
  • MySQL Documentation
  • Python 3.8+ Documentation

1.5 Overview

This document is organized into seven main sections:

  • Section 1: Introduction and scope
  • Section 2: Overall system description and architecture
  • Section 3: Detailed functional requirements
  • Section 4: External interface specifications
  • Section 5: Non-functional requirements
  • Section 6: Additional requirements and constraints
  • Section 7: Appendices with supplementary information

2. Overall Description

2.1 Product Perspective

The Email Attachments Manager is a standalone desktop application that operates as a client to IMAP email servers. The system architecture follows a layered approach with clear separation of concerns:

┌─────────────────────────────────────────────────────────────┐
│                    PRESENTATION LAYER                       │
│  ┌─────────────┐  ┌─────────────┐  ┌─────────────────────┐  │
│  │    Auth     │  │    Main     │  │      Dialogs        │  │
│  │   Views     │  │   Views     │  │   & Components      │  │
│  └─────────────┘  └─────────────┘  └─────────────────────┘  │
└─────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐
│                   BUSINESS LOGIC LAYER                      │
│  ┌─────────────┐  ┌─────────────┐  ┌─────────────────────┐  │
│  │    Auth     │  │   Email     │  │    Tag & Rule       │  │
│  │ Controller  │  │ Controller  │  │   Controllers       │  │
│  └─────────────┘  └─────────────┘  └─────────────────────┘  │
└─────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐
│                     SERVICE LAYER                           │
│  ┌─────────────┐  ┌─────────────┐  ┌─────────────────────┐  │
│  │   Email     │  │ Attachment  │  │   Database &        │  │
│  │  Service    │  │   Service   │  │ Encryption Services │  │
│  └─────────────┘  └─────────────┘  └─────────────────────┘  │
└─────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐
│                      DATA LAYER                             │
│  ┌─────────────┐  ┌─────────────┐  ┌─────────────────────┐  │
│  │    User     │  │    Email    │  │   Attachment &      │  │
│  │   Models    │  │   Models    │  │    Tag Models       │  │
│  └─────────────┘  └─────────────┘  └─────────────────────┘  │
└─────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐
│                   INFRASTRUCTURE LAYER                      │
│  ┌─────────────┐  ┌─────────────┐  ┌─────────────────────┐  │
│  │   MySQL     │  │ File System │  │    IMAP Servers     │  │
│  │  Database   │  │  Storage    │  │   (Email Providers) │  │
│  └─────────────┘  └─────────────┘  └─────────────────────┘  │
└─────────────────────────────────────────────────────────────┘

2.2 Product Functions

The system provides the following major functional areas:

  1. User Authentication & Management

    • User registration with email verification
    • Secure login with account lockout protection
    • Password reset functionality
    • Session management
  2. Email Account Management

    • Multi-account IMAP configuration
    • Encrypted password storage
    • Connection testing and validation
    • Account synchronization settings
  3. Email Operations

    • Email fetching from IMAP servers
    • Email display with HTML/text support
    • Email search and filtering
    • Bulk email operations
    • Email status management (read/unread)
  4. Attachment Management

    • Attachment viewing and downloading
    • Advanced attachment search
    • Custom save paths
    • Duplicate detection and cleanup
    • File organization
  5. Tagging System

    • Manual tag creation and management
    • Auto-tagging rules with custom conditions
    • Tag-based email filtering
    • Bulk tagging operations
  6. Performance & Monitoring

    • Real-time performance monitoring
    • System optimization tools
    • Performance analytics dashboard
    • Resource usage tracking

2.3 User Classes and Characteristics

2.3.1 Primary Users

Professional Email Users

  • Characteristics: Business professionals, managers, administrators
  • Technical Level: Intermediate to advanced
  • Usage Pattern: Daily use for email organization and attachment management
  • Requirements: High reliability, security, and performance

Power Users

  • Characteristics: IT professionals, system administrators
  • Technical Level: Advanced
  • Usage Pattern: Heavy usage with multiple email accounts
  • Requirements: Advanced features, customization, and monitoring capabilities

2.3.2 Secondary Users

Casual Users

  • Characteristics: General users with basic email needs
  • Technical Level: Basic to intermediate
  • Usage Pattern: Occasional use for email organization
  • Requirements: Simple interface, ease of use

System Administrators

  • Characteristics: IT staff responsible for system maintenance
  • Technical Level: Advanced
  • Usage Pattern: Configuration and maintenance
  • Requirements: Administrative tools, monitoring, and troubleshooting

2.4 Operating Environment

2.4.1 Hardware Requirements

Minimum Requirements:

  • CPU: Intel Core i3 or AMD equivalent
  • RAM: 4GB
  • Storage: 1GB free space
  • Display: 1024x768 resolution
  • Network: Internet connection for email access

Recommended Requirements:

  • CPU: Intel Core i5 or AMD equivalent
  • RAM: 8GB
  • Storage: 5GB free space
  • Display: 1920x1080 resolution or higher
  • Network: High-speed internet connection

2.4.2 Software Environment

Operating Systems:

  • Windows 10/11 (64-bit)
  • macOS 10.14 or later
  • Linux (Ubuntu 18.04+ or equivalent)

Required Software:

  • Python 3.8 or higher
  • MySQL 5.7+ or MariaDB 10.3+
  • PyQt5 5.15.0 or higher

External Dependencies:

  • IMAP email servers (Gmail, Outlook, custom)
  • SMTP servers for email verification

2.5 Design and Implementation Constraints

2.5.1 Regulatory Constraints

  • Compliance with email privacy regulations
  • Data protection requirements
  • Security standards for password handling

2.5.2 Hardware Limitations

  • Memory usage optimization for large email volumes
  • Storage management for attachment files
  • Network bandwidth considerations

2.5.3 Software Constraints

  • PyQt5 framework limitations
  • MySQL database constraints
  • Python performance characteristics

2.5.4 Standards Compliance

  • RFC 5322 email format compliance
  • RFC 3501 IMAP protocol compliance
  • IEEE software engineering standards

2.6 Assumptions and Dependencies

2.6.1 Assumptions

  • Users have valid IMAP email accounts
  • MySQL database is available and accessible
  • Internet connectivity is available
  • Users have basic computer literacy
  • Email servers support standard IMAP protocols

2.6.2 Dependencies

  • Python runtime environment
  • MySQL database server
  • PyQt5 framework
  • Third-party Python libraries (bcrypt, cryptography, imap-tools)
  • Operating system GUI capabilities

3. System Features

3.1 User Authentication System

3.1.1 User Registration

FR-001: The system shall allow new users to register accounts with username, email, and password.

FR-001.1: The system shall validate password strength according to security requirements (minimum 8 characters, uppercase, lowercase, numbers, special characters).

FR-001.2: The system shall send a 6-digit verification code to the user's email address.

FR-001.3: The system shall require email verification before account activation.

FR-001.4: The system shall prevent duplicate usernames and email addresses.

3.1.2 User Login

FR-002: The system shall authenticate users with username/email and password.

FR-002.1: The system shall support both username and email address for login.

FR-002.2: The system shall implement account lockout after 5 failed login attempts.

FR-002.3: The system shall lock accounts for 10 minutes after failed attempts.

FR-002.4: The system shall track and display last login time.

3.1.3 Password Management

FR-003: The system shall provide password reset functionality.

FR-003.1: The system shall send a 4-digit PIN to user's email for password reset.

FR-003.2: The system shall expire reset tokens after 20 minutes.

FR-003.3: The system shall encrypt all stored passwords using bcrypt hashing.

3.2 Email Account Management

3.2.1 Account Configuration

FR-004: The system shall allow users to add multiple IMAP email accounts.

FR-004.1: The system shall support major email providers (Gmail, Outlook, custom IMAP).

FR-004.2: The system shall encrypt and securely store email account passwords.

FR-004.3: The system shall test IMAP connections before saving account credentials.

FR-004.4: The system shall provide pre-configured settings for common email providers.

3.2.2 Account Operations

FR-005: The system shall manage email account sessions and synchronization.

FR-005.1: The system shall support configurable session duration (default 90 days).

FR-005.2: The system shall enable/disable account synchronization.

FR-005.3: The system shall track last synchronization time for each account.

FR-005.4: The system shall allow users to delete email accounts and associated data.

3.3 Email Operations

3.3.1 Email Fetching

FR-006: The system shall fetch emails from IMAP servers.

FR-006.1: The system shall support fetching all emails or date-range specific emails.

FR-006.2: The system shall prevent duplicate email downloads.

FR-006.3: The system shall provide progress feedback during email fetching.

FR-006.4: The system shall support cancellation of email fetching operations.

FR-006.5: The system shall handle IMAP connection errors gracefully.

3.3.2 Email Display

FR-007: The system shall display emails in a user-friendly interface.

FR-007.1: The system shall support both HTML and plain text email content.

FR-007.2: The system shall display email metadata (sender, subject, date, size).

FR-007.3: The system shall show read/unread status with visual indicators.

FR-007.4: The system shall indicate emails with attachments.

FR-007.5: The system shall support responsive design for different screen sizes.

3.3.3 Email Search and Filtering

FR-008: The system shall provide email search and filtering capabilities.

FR-008.1: The system shall support text search across subject, sender, and body.

FR-008.2: The system shall filter emails by read/unread status.

FR-008.3: The system shall filter emails by attachment presence.

FR-008.4: The system shall support date-range filtering.

FR-008.5: The system shall maintain search history for user convenience.

3.3.4 Bulk Email Operations

FR-009: The system shall support bulk operations on multiple emails.

FR-009.1: The system shall allow bulk marking of emails as read/unread.

FR-009.2: The system shall support bulk email deletion.

FR-009.3: The system shall allow bulk tagging operations.

FR-009.4: The system shall provide confirmation dialogs for destructive operations.

FR-009.5: The system shall support date-based bulk operations (e.g., delete emails older than X days).

3.4 Attachment Management

3.4.1 Attachment Viewing

FR-010: The system shall provide attachment viewing capabilities.

FR-010.1: The system shall display attachment lists for emails.

FR-010.2: The system shall support viewing attachments in temporary files.

FR-010.3: The system shall handle various file types (documents, images, etc.).

FR-010.4: The system shall show attachment metadata (filename, size, type).

3.4.2 Attachment Download and Organization

FR-011: The system shall support attachment downloading and organization.

FR-011.1: The system shall allow users to specify custom save paths.

FR-011.2: The system shall organize attachments in email-specific folders.

FR-011.3: The system shall prevent duplicate file downloads.

FR-011.4: The system shall handle filename conflicts with automatic renaming.

3.4.3 Advanced Attachment Search

FR-012: The system shall provide comprehensive attachment search.

FR-012.1: The system shall search attachments by filename, email subject, sender, and body content.

FR-012.2: The system shall search across all email accounts.

FR-012.3: The system shall display search results with email context.

FR-012.4: The system shall support filtering by file type, size, and date.

FR-012.5: The system shall search both downloaded and IMAP-stored attachments.

3.4.4 Attachment Cleanup

FR-013: The system shall provide attachment cleanup tools.

FR-013.1: The system shall identify duplicate attachments.

FR-013.2: The system shall provide tools to remove duplicate files.

FR-013.3: The system shall calculate and display storage savings.

3.5 Tagging System

3.5.1 Manual Tagging

FR-014: The system shall support manual email tagging.

FR-014.1: The system shall allow users to create custom tags with colors.

FR-014.2: The system shall support applying multiple tags to emails.

FR-014.3: The system shall provide tag management (create, delete, modify).

FR-014.4: The system shall display tag usage statistics.

FR-014.5: The system shall support tag-based email filtering.

3.5.2 Auto-Tagging Rules

FR-015: The system shall support automated tagging with custom rules.

FR-015.1: The system shall support rule types: sender, subject, body, domain.

FR-015.2: The system shall support operators: contains, equals, starts with, ends with, regex.

FR-015.3: The system shall support rule priority ordering.

FR-015.4: The system shall apply rules to both new and existing emails.

FR-015.5: The system shall support enabling/disabling individual rules.

3.5.3 Custom-Tag with Attachment Saving

FR-016: The system shall support automatic attachment saving with tagging rules.

FR-016.1: The system shall allow rules to automatically save attachments to specified paths.

FR-016.2: The system shall support custom folder structures for different rule types.

FR-016.3: The system shall apply attachment saving rules during email processing.

3.6 Performance and Monitoring

3.6.1 Performance Monitoring

FR-017: The system shall provide performance monitoring capabilities.

FR-017.1: The system shall monitor memory usage, CPU usage, and disk space.

FR-017.2: The system shall track database query performance.

FR-017.3: The system shall monitor UI responsiveness (target 60 FPS).

FR-017.4: The system shall provide performance analytics dashboard.

3.6.2 System Optimization

FR-018: The system shall provide automatic and manual optimization tools.

FR-018.1: The system shall implement smart garbage collection.

FR-018.2: The system shall provide cache management with TTL.

FR-018.3: The system shall optimize database connections with pooling.

FR-018.4: The system shall provide manual optimization triggers.

3.6.3 Real-time Monitoring

FR-019: The system shall support real-time email monitoring.

FR-019.1: The system shall check for new emails at configurable intervals.

FR-019.2: The system shall provide real-time sync status updates.

FR-019.3: The system shall support enabling/disabling real-time monitoring.

3.7 Data Management

3.7.1 Data Export

FR-020: The system shall support data export functionality.

FR-020.1: The system shall export emails to JSON/CSV format.

FR-020.2: The system shall export auto-tagging rules for backup.

FR-020.3: The system shall support selective data export by date range.

3.7.2 Data Import

FR-021: The system shall support data import functionality.

FR-021.1: The system shall import auto-tagging rules from backup files.

FR-021.2: The system shall validate imported data integrity.

3.8 System Configuration

3.8.1 Application Settings

FR-022: The system shall provide configurable application settings.

FR-022.1: The system shall support configurable session duration.

FR-022.2: The system shall support default IMAP host configuration.

FR-022.3: The system shall support real-time monitoring interval configuration.

FR-022.4: The system shall support batch processing size configuration.

3.8.2 User Preferences

FR-023: The system shall support user preference management.

FR-023.1: The system shall support theme selection (light/dark).

FR-023.2: The system shall remember user interface preferences.

FR-023.3: The system shall support keyboard shortcuts configuration.


4. External Interface Requirements

4.1 User Interfaces

4.1.1 Login Interface

UI-001: The system shall provide a login interface with username/email and password fields.

UI-001.1: The interface shall include "Remember Me" functionality.

UI-001.2: The interface shall provide links to registration and password reset.

UI-001.3: The interface shall display appropriate error messages for failed login attempts.

4.1.2 Registration Interface

UI-002: The system shall provide a registration interface with username, email, and password fields.

UI-002.1: The interface shall include password strength indicator.

UI-002.2: The interface shall validate input in real-time.

UI-002.3: The interface shall provide clear error messages for validation failures.

4.1.3 Main Application Interface

UI-003: The system shall provide a main application interface with three-panel layout.

UI-003.1: The interface shall include account list in left panel.

UI-003.2: The interface shall display email list in center panel.

UI-003.3: The interface shall show email content in right panel.

UI-003.4: The interface shall support responsive design for different screen sizes.

4.1.4 Email Management Interface

UI-004: The system shall provide email management interface with search and filtering capabilities.

UI-004.1: The interface shall include search bar with real-time filtering.

UI-004.2: The interface shall provide status filter buttons (All, Unread, Read, With Attachments).

UI-004.3: The interface shall display email list with status icons and metadata.

UI-004.4: The interface shall support multi-select for bulk operations.

4.1.5 Attachment Management Interface

UI-005: The system shall provide attachment management interface.

UI-005.1: The interface shall display attachment lists with metadata.

UI-005.2: The interface shall provide attachment viewing capabilities.

UI-005.3: The interface shall support attachment download with custom paths.

UI-005.4: The interface shall provide advanced search functionality.

4.1.6 Settings Interface

UI-006: The system shall provide settings interface for configuration management.

UI-006.1: The interface shall organize settings in logical groups.

UI-006.2: The interface shall provide immediate feedback for setting changes.

UI-006.3: The interface shall include help text and tooltips.

4.2 Hardware Interfaces

4.2.1 Display Requirements

HI-001: The system shall support standard desktop display resolutions.

HI-001.1: The system shall support minimum resolution of 1024x768.

HI-001.2: The system shall support high-DPI displays (4K, retina).

HI-001.3: The system shall provide responsive layout adaptation.

4.2.2 Input Requirements

HI-002: The system shall support standard input devices.

HI-002.1: The system shall support mouse and keyboard input.

HI-002.2: The system shall support touch input for touch-enabled displays.

HI-002.3: The system shall provide keyboard shortcuts for common operations.

4.3 Software Interfaces

4.3.1 Database Interface

SI-001: The system shall interface with MySQL database.

SI-001.1: The system shall use connection pooling for database access.

SI-001.2: The system shall implement parameterized queries for security.

SI-001.3: The system shall handle database connection failures gracefully.

4.3.2 Email Server Interface

SI-002: The system shall interface with IMAP email servers.

SI-002.1: The system shall support SSL/TLS encrypted connections.

SI-002.2: The system shall handle various IMAP server implementations.

SI-002.3: The system shall implement proper error handling for connection issues.

4.3.3 File System Interface

SI-003: The system shall interface with local file system.

SI-003.1: The system shall create and manage attachment directories.

SI-003.2: The system shall handle file permissions and access rights.

SI-003.3: The system shall implement safe file operations with error handling.

4.4 Communications Interfaces

4.4.1 Network Protocols

CI-001: The system shall support standard network protocols.

CI-001.1: The system shall support IMAP protocol for email access.

CI-001.2: The system shall support SMTP protocol for email verification.

CI-001.3: The system shall support SSL/TLS for secure communications.

4.4.2 Email Provider Integration

CI-002: The system shall integrate with major email providers.

CI-002.1: The system shall support Gmail with App Password authentication.

CI-002.2: The system shall support Outlook/Office 365.

CI-002.3: The system shall support custom IMAP servers.


5. Non-Functional Requirements

5.1 Performance Requirements

5.1.1 Response Time

NFR-001: The system shall provide responsive user interface performance.

NFR-001.1: Application startup time shall not exceed 2 seconds.

NFR-001.2: UI operations shall maintain 60 FPS (16ms frame time).

NFR-001.3: Email list loading shall complete within 1 second for up to 1000 emails.

NFR-001.4: Search operations shall return results within 500ms.

NFR-001.5: Database queries shall complete within 100ms for standard operations.

5.1.2 Throughput

NFR-002: The system shall handle reasonable email volumes efficiently.

NFR-002.1: The system shall process up to 10,000 emails per account.

NFR-002.2: The system shall support up to 50 email accounts per user.

NFR-002.3: The system shall handle up to 100 concurrent attachment downloads.

5.1.3 Resource Utilization

NFR-003: The system shall optimize resource usage.

NFR-003.1: Memory usage shall not exceed 1GB for typical usage.

NFR-003.2: CPU usage shall remain below 50% during normal operations.

NFR-003.3: Disk I/O shall be optimized with caching and batch operations.

5.2 Security Requirements

5.2.1 Authentication and Authorization

NFR-004: The system shall implement robust security measures.

NFR-004.1: All passwords shall be hashed using bcrypt with salt.

NFR-004.2: Email passwords shall be encrypted using Fernet symmetric encryption.

NFR-004.3: The system shall implement account lockout after failed login attempts.

NFR-004.4: Session tokens shall have configurable expiration times.

NFR-004.5: The system shall prevent SQL injection attacks using parameterized queries.

5.2.2 Data Protection

NFR-005: The system shall protect sensitive data.

NFR-005.1: All database connections shall use SSL/TLS encryption.

NFR-005.2: Email content shall be stored securely in the database.

NFR-005.3: Attachment files shall be stored with appropriate file permissions.

NFR-005.4: The system shall implement data isolation between users.

5.2.3 Input Validation

NFR-006: The system shall validate all user inputs.

NFR-006.1: Email addresses shall be validated according to RFC 5322.

NFR-006.2: File uploads shall be validated for type and size.

NFR-006.3: All user inputs shall be sanitized to prevent XSS attacks.

5.3 Reliability Requirements

5.3.1 Availability

NFR-007: The system shall provide high availability.

NFR-007.1: The system shall have 99% uptime during normal operation.

NFR-007.2: The system shall recover gracefully from database connection failures.

NFR-007.3: The system shall handle network interruptions without data loss.

5.3.2 Fault Tolerance

NFR-008: The system shall be fault-tolerant.

NFR-008.1: The system shall continue operating if individual email accounts fail.

NFR-008.2: The system shall implement automatic retry mechanisms for failed operations.

NFR-008.3: The system shall provide error recovery mechanisms for corrupted data.

5.3.3 Data Integrity

NFR-009: The system shall maintain data integrity.

NFR-009.1: Database transactions shall be atomic and consistent.

NFR-009.2: The system shall implement data validation and constraints.

NFR-009.3: The system shall provide data backup and recovery mechanisms.

5.4 Usability Requirements

5.4.1 User Interface Design

NFR-010: The system shall provide an intuitive user interface.

NFR-010.1: The interface shall follow modern design principles and standards.

NFR-010.2: The interface shall be consistent across all screens and functions.

NFR-010.3: The interface shall provide clear visual feedback for user actions.

NFR-010.4: The interface shall support keyboard shortcuts for power users.

5.4.2 Accessibility

NFR-011: The system shall be accessible to users with disabilities.

NFR-011.1: The interface shall support high contrast modes.

NFR-011.2: The interface shall be navigable using keyboard only.

NFR-011.3: The interface shall provide appropriate tooltips and help text.

5.4.3 Learning Curve

NFR-012: The system shall be easy to learn and use.

NFR-012.1: New users shall be able to perform basic operations within 10 minutes.

NFR-012.2: The system shall provide contextual help and documentation.

NFR-012.3: The system shall implement progressive disclosure of advanced features.

5.5 Scalability Requirements

5.5.1 Data Scalability

NFR-013: The system shall scale with data volume.

NFR-013.1: The system shall handle up to 100,000 emails per user.

NFR-013.2: The system shall support up to 1,000 users per installation.

NFR-013.3: The system shall handle up to 1GB of attachment data per user.

5.5.2 Performance Scalability

NFR-014: The system shall maintain performance with increased load.

NFR-014.1: Database queries shall scale linearly with data volume.

NFR-014.2: Memory usage shall scale efficiently with user count.

NFR-014.3: The system shall implement efficient caching strategies.

5.6 Maintainability Requirements

5.6.1 Code Quality

NFR-015: The system shall be maintainable and extensible.

NFR-015.1: The code shall follow consistent coding standards and conventions.

NFR-015.2: The system shall implement modular architecture with clear separation of concerns.

NFR-015.3: The code shall include comprehensive documentation and comments.

5.6.2 Testing

NFR-016: The system shall be thoroughly tested.

NFR-016.1: The system shall achieve 80% code coverage in unit tests.

NFR-016.2: The system shall include integration tests for critical workflows.

NFR-016.3: The system shall include performance tests for scalability validation.

5.6.3 Documentation

NFR-017: The system shall be well-documented.

NFR-017.1: The system shall include comprehensive user documentation.

NFR-017.2: The system shall include technical documentation for developers.

NFR-017.3: The system shall include API documentation for all interfaces.

5.7 Portability Requirements

5.7.1 Cross-Platform Support

NFR-018: The system shall be portable across platforms.

NFR-018.1: The system shall run on Windows 10/11, macOS 10.14+, and Linux.

NFR-018.2: The system shall maintain consistent functionality across platforms.

NFR-018.3: The system shall handle platform-specific differences gracefully.

5.7.2 Installation and Deployment

NFR-019: The system shall be easy to install and deploy.

NFR-019.1: The system shall provide automated installation scripts.

NFR-019.2: The system shall include dependency management and validation.

NFR-019.3: The system shall provide clear installation documentation.


6. Other Requirements

6.1 Legal and Regulatory Requirements

6.1.1 Data Privacy

LR-001: The system shall comply with data privacy regulations.

LR-001.1: The system shall implement appropriate data protection measures.

LR-001.2: The system shall provide user control over personal data.

LR-001.3: The system shall implement secure data deletion capabilities.

6.1.2 Intellectual Property

LR-002: The system shall respect intellectual property rights.

LR-002.1: The system shall not infringe on third-party copyrights or patents.

LR-002.2: The system shall use only properly licensed software components.

6.2 Standards Compliance

6.2.1 Email Standards

SC-001: The system shall comply with email standards.

SC-001.1: The system shall comply with RFC 5322 (Internet Message Format).

SC-001.2: The system shall comply with RFC 3501 (IMAP Protocol).

SC-001.3: The system shall support MIME standards for email content.

6.2.2 Security Standards

SC-002: The system shall comply with security standards.

SC-002.1: The system shall implement OWASP security guidelines.

SC-002.2: The system shall use industry-standard encryption algorithms.

SC-002.3: The system shall follow secure coding practices.

6.3 Environmental Requirements

6.3.1 Operating Environment

ER-001: The system shall operate in standard desktop environments.

ER-001.1: The system shall operate in typical office environments.

ER-001.2: The system shall handle standard network configurations.

ER-001.3: The system shall work with common firewall and proxy settings.

6.3.2 Resource Constraints

ER-002: The system shall operate within reasonable resource constraints.

ER-002.1: The system shall minimize resource usage on client machines.

ER-002.2: The system shall implement efficient memory management.

ER-002.3: The system shall optimize network usage for email operations.

6.4 Quality Attributes

6.4.1 Reliability

QA-001: The system shall be reliable and stable.

QA-001.1: The system shall handle errors gracefully without crashing.

QA-001.2: The system shall implement comprehensive error logging.

QA-001.3: The system shall provide recovery mechanisms for common failures.

6.4.2 Efficiency

QA-002: The system shall operate efficiently.

QA-002.1: The system shall minimize CPU and memory usage.

QA-002.2: The system shall implement efficient algorithms and data structures.

QA-002.3: The system shall optimize database operations and queries.

6.4.3 Flexibility

QA-003: The system shall be flexible and configurable.

QA-003.1: The system shall support various email server configurations.

QA-003.2: The system shall allow customization of user interface elements.

QA-003.3: The system shall support extensibility through plugin architecture.


7. Appendices

7.1 Glossary

Term Definition
Attachment File attached to an email message
Auto-tagging Automatic application of tags based on predefined rules
Dashboard User User account in the email management system
Email Account IMAP email account configured in the system
IMAP Internet Message Access Protocol for email retrieval
MIME Multipurpose Internet Mail Extensions for email content
Tag User-defined label for organizing emails
Sync Synchronization of emails from IMAP server to local database

7.2 Acronyms

Acronym Full Form
API Application Programming Interface
CPU Central Processing Unit
CSV Comma-Separated Values
DPI Dots Per Inch
FPS Frames Per Second
GUI Graphical User Interface
HTML HyperText Markup Language
IMAP Internet Message Access Protocol
JSON JavaScript Object Notation
MIME Multipurpose Internet Mail Extensions
MVC Model-View-Controller
RAM Random Access Memory
RFC Request for Comments
SMTP Simple Mail Transfer Protocol
SQL Structured Query Language
SSL Secure Sockets Layer
TLS Transport Layer Security
TTL Time To Live
UI User Interface
URL Uniform Resource Locator
XSS Cross-Site Scripting

7.3 References

  1. IEEE Std 830-1998: IEEE Recommended Practice for Software Requirements Specifications
  2. RFC 5322: Internet Message Format
  3. RFC 3501: Internet Message Access Protocol (IMAP) Version 4rev1
  4. PyQt5 Documentation: https://doc.qt.io/qtforpython/
  5. MySQL Documentation: https://dev.mysql.com/doc/
  6. Python Documentation: https://docs.python.org/3/
  7. OWASP Security Guidelines: https://owasp.org/

7.4 Change History

Version Date Author Changes
1.0 January 2025 System Analysis Team Initial version of SRS document

Document Status: Final
Approval: Pending Review
Distribution: Development Team, Stakeholders, QA Team


This document contains proprietary and confidential information. Distribution is restricted to authorized personnel only.

About

Lab # 3

Resources

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published

Languages