Large files like PDFs, lecture slides, and project ZIP files consume the most quota.

Create project-specific calendars and share read/write permissions with your study group members.

Send meeting invites to fellow students and track their acceptances or declines directly within the webmail interface. Advanced Filters and Rules

Built-in task tracking that integrates with the calendar.

New incoming messages will bounce back to the sender with a "Quota Exceeded" error.

To effectively manage your storage, you need to understand how the system is designed.

Instead of using the old "Out of Office" tool (which was discontinued on November 30, 2025), SOGo integrates this feature directly. Go to Settings (Gear Icon) → Mail . In this section, you can configure:

Includes subscriptions for German public holidays and regional school holidays (Hamburg, SH, Lower Saxony).

One of the most powerful features is the ability to create server-side filters. Unlike client filters, these work even when you are offline. TUHH’s mail server uses "Sieve" scripts (RFC3028) to process incoming mail.

Review your folder and delete old, unnecessary outgoing messages. 2. Filter and Delete Large Attachments

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