Your company has recently been experiencing high volumes of unsolicited bulk emails that are affecting employee productivity and potentially exposing the network to security risks. As the network administrator, you have been asked to recommend a solution to mitigate this issue. Which of the following would be an effective measure to prevent these spam emails from reaching user inboxes?
Limit the maximum size of incoming emails
Implement a spam gateway to filter emails
Upgrade the current email client software
Decrease the SMTP threshold for the network firewall
Implementing a spam gateway is an effective measure for filtering out unwanted emails before they reach the user's inboxes. This specialized device or software is designed to identify and block spam based on predefined rules, known spam signatures, and real-time blacklists, providing a layer of protection for the business email communications.
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What is a spam gateway, and how does it work?
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What are spam signatures?
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What are some other measures to prevent spam emails?