How to protect a Plesk server from incoming spam and viruses

Question

How to protect a Plesk server from incoming spam and viruses?

Answer

1. Install and configure these Plesk extensions against spam and viruses:

   Note: Some extensions are paid.

   • (Linux only) Plesk Email Security (includes SpamAssassin Spam Filter)

   • SpamAssassin Spam Filter

   • (Linux only) Warden Anti-spam and Virus Protection

   • SpamExperts Email Security

   • Premium Antivirus for Servers

   • Sophos Anti-Virus for Servers

2. (Linux only) Enable greylisting protection and configure it.

   Note: Greylisting protection is available on Linux with Plesk Email Security disabled.

3. Use DKIM, SPF and DMARC protection.

4. Switch on spam protection based on DNS blackhole lists.

Additional Information

• Antispam Tools | Plesk Obsidian Documentation