SMTP Proxy in ORF (for Non-Exchange Servers)
To support non-Exchange servers (like IMail, etc.) without Microsoft® IIS SMTP, add an SMTP proxy server to ORF. This proxy would receive the emails first and forward them to the actual mail server.
This would be the same as with Microsoft® IIS SMTP front-ends, but without having to install the IIS SMTP Service first.
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Temporary IP Ban on Repeated Failed SMTP AUTH Attempts
Temporarily ban the sender's IP address based on the number of failed SMTP authentication attempts. The logon failure threshold and ban period could be set by the administrator.
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New SURBL Test action: remove URL on hit
Add a new action to the SURBL test which would remove URLs from the email that contain blacklisted domains.
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RHSBL Support
Add support for filtering based on RHSBL-type blacklists in ORF, such as rhsbl.ahbl.org.
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