Overview: How to Block Emails by Size Using Spam Filter in DirectAdmin
This guide explains How to Block Emails by Size Using Spam Filter in DirectAdmin step‑by‑step and why it matters for security, uptime, and performance. It’s written for small and medium businesses that rely on Blackhawk MSP for proactive, managed IT support in the Bay Area and beyond.
- ✅ Clear, actionable steps
- ✅ Best‑practice notes from our MSP engineers
- ✅ Links to related services and help
Tip: If you’re short on time, contact us — we’ll handle this for you and verify everything is working.
You can use a spam filter to block emails by size.
1. Log in to your DirectAdmin Account.
2. In the E-Mail Manager section, click on SPAM Filters. Alternatively, type SPAM Filters in the search bar, and the option will appear. Click on it.
3. Under Block By, choose the Size option from the drop-down menu.
4. In Value, select the size in KB or MB and enter the value.
5. Click on Block.
If you have chosen size in MB and have entered the value 5, all emails exceeding 5MB in size will be blocked.
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Need help? Blackhawk MSP can do this for you, verify success, and document the change. Call 1‑925‑218‑4000 or open a ticket.
