You can use spam filter to block emails by size.


1. Login to your DirectAdmin Account.


2. In the E-mail Manager section, click on the SPAM Filters icon or type SPAM Filters in the navigation filter box and the option will appear. Click on it.
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3. Under Block By from the drop-down menu, choose the Size option.



4. In Value, choose size in KB or MB and enter your value.
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5. Click the Block button.


If you have chosen size in MB and have entered the value 5, for example, all emails exceeding 5MB in size will be blocked.

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