Proven spam, virus, NDR, and secure content protection!
SecurExchange for Exchange Server is a powerful suite of content management components for your Exchange Server, that offers the flexibility you need to manage your email content securely and easily - and keep spam, viruses and other unwanted intruders out of your Exchange environment.
Simple tips and how tos to protect your Exchange environment and your users:
Whether you need only a perimeter defense or full network-level protection for your Exchange Server, SecurExchange has a complete security solution that's right for you:
Exchange Server's Spam Confidence Levels (SCL) thresholds can be defined on a group by group basis, providing greater flexibility for handling spam within your unique organization. This example, based on an educational environment, shows how to define different thresholds and resulting actions depending on whether the mail is addressed to a student or staff member.
Exchange Server's Intelligent Message Filter (IMF) has very few options to allow you to whitelist a message bypassing the IMF and reducing False Positives. Whitelisting a message based on the sender's domain, subject, content, or header attributes is easy with this simple process.
Exchange Server Mailboxes and Public Folders can be searched for particular policy concepts, content, or other general message attributes on a one time or reoccurring basis. Once messages are located within a mailbox or public folder, any number of Smart Action Triggers may be invoked giving you flexibility to determine the best course of action for the located content.
External messages destined for sensitive domains like competitors can be monitored and controlled in real-time. Once messages are triggered, any number of Smart Action Triggers may be invoked giving you flexibility to determine the best course of action for the located content.
Exchange Server can be configured to perform a reverse DNS lookup on incoming messages as they arrive, but can not do anything with that message. This simple rule can delete or any other number of different actions on a failed Exchange Server reverse DNS lookup.
Email (or NDRs) that contain a high number of unresolved recipients usually means that your Exchange Server has been victim to a spammer's Directory Harvest Attack. Additionally SpamBots may generate what is termed as NDR BackScatter. These types of attacks can generate a high number of NDRs, chokes bandwidth, and provides the spammers with key information on valid email addresses. This simple rule can prevent this type of spam attack.
When Nemx SecurExchange for Exchange is behind an active monitoring firewall or proxy gateway, then the IP address is that of the firewall or proxy and not that of the original SMTP server transmitting the message. Nemx SecurExchange can operate behind a firewall or proxy with no loss of functionality.
Nemx's anti-virus product SecurExchange can clean or delete infected files attachments within a message, but you might want to delete all email message that contains a"Mass Mailer" type virus like Netsky, or Bagle.
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