Applicable to:
- Plesk for Windows
Question
How to decrease the risk of outgoing spam in Plesk for Windows Server with MailEnable?
Answer
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Remove the
localhost
from the whitelist and switch on limitations on outgoing mail. For details refer to this KB article. -
Enforce SMTP authentication : in Plesk, go to Tools & Settings > Mail Server Settings > click authorization is required and check SMTP
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Forbid the users to send emails from non-existing email addresses:
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Connect to a Plesk server via RDP.
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Start MailEnable Management console at Windows Start > All Programs > MailEnable.
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In MailEnable Management console, expand Servers > localhost > Services and Connectors > right-click on SMTP and open its Properties.
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In SMTP Properties window, switch to the Security tab and disable the option Authenticated senders must use address from their postoffice
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Ensure that Allow relay for privileged IP ranges is disabled.
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In MailEnable Management console, expand Servers > localhost > Services and Connectors > right-click on SMTP and open its Properties.
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In SMTP Properties window, switch to the Relay tab and uncheck the option Allow relay for privileged IP ranges if it was enabled.
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Restart the MailEnable SMTP Connector service:
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In MailEnable Management console, go to Servers > localhost > System > Services Status.
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Select MailEnable SMTP Connector.
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Click Restart in the right pane.
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