IronMail does all but the greylisting. http://www.ciphertrust.com/products/ironmail/
________________________________ From: Leedy, Andy [mailto:ale...@butlerahs.com] Sent: Monday, August 31, 2009 1:12 PM To: MS-Exchange Admin Issues Subject: Server based SPAM filter recommendation needed. Can anyone please recommend a Anti-SPAM gateway (server based or appliance) that contains the following functionality? 1) Greylisting 2) Whitelisting 3) LDAP integration 4) Quarantine SPAM email at the gateway 5) User interface (Web or other) where the users can release their own messages that are not SPAM and manage their own whitelist? 6) Redundancy and/or Load balancing to avoid single point of failure Thanks, Andy Leedy ********************************************************************** CONFIDENTIALITY NOTICE: The information transmitted in this message is intended only for the person or entity to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please contact the sender and destroy all copies of this document. Thank you. Butler Animal Health Supply **********************************************************************
