| Work and professional emails | Business correspondence, meetings, projects, colleagues |
| Personal and private emails | Family, friends, personal matters |
| High priority emails requiring immediate attention | Critical communications, deadlines, emergencies |
| Promotional and marketing emails | Newsletters, offers, campaigns, advertisements |
| System and service notifications | Confirmations, alerts, updates, reminders |
| Customer support and service emails | Help desk, technical support, service requests |
| Financial and billing related emails | Invoices, receipts, payments, banking |
| Social and event-related emails | Social events, invitations, community updates |
| Automated system-generated emails | No-reply emails, system messages, backups |
| Miscellaneous emails not fitting above categories | Catch-all for unclassified emails |
