DONE Honeypot (Spamtrap)
Blacklist the sender IP address of those writing to specific local email addresses, e.g. addresses published on
the company web site specifically as honeypot (spamtrap) addresses. This feature would be based on the assumption
that whoever sends email to the honeypot address(es) must be a wrongdoer, because the honeypot address may be
collected only by robots scanning the internet (and the web, specifically) for email addresses, which is a typical
spammer behavior.
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DONE Directory Harvest Attack (DHA) Protection
Add a new test to ORF that would temporarily reject all delivery attempts if the sending IP address is sending to more than "X" (user-configurable) non-existent recipients within in a specified period of time. This would provide some protection against poorly distributed or non-distributed Directory Harvest Attacks.
DONE Windows Server 2008 IIS SMTP Support
ORF currently does not work with the Internet Information Services (IIS) SMTP Service on Windows Server 2008.
Add support to the above platform, like in the case of Windows 2000/2003.
DONE Support for IPv6 addresses
Support for IPv6 addresses in all IP address entry fields, including the IP Blacklist, IP Whitelist and IP-based exception lists, etc.
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