Clearswift upgrades e-mail security appliance

Clearswift this week announced an upgrade to its e-mail appliance that features unified policy management for organizations looking to secure both their e-mail and Web communications.

MimeSweeper E-mail Appliance 2.6 includes a new management console that lets organizations set and administer consistent policies across Web and e-mail use, according to company officials. The new console also tracks how policies are managed and enforced for compliance reasons.

The new version of MimeSweeper also lets companies manage their outbound e-mail traffic, blocking the unauthorized sending of sensitive and financial data such as credit card or Social Security numbers, officials say. Antispam features have been bolstered in this release with a new filtering engine that blocks traditional and image spam. The new release also includes greylisting, a technique that requests e-mail being sent from an unknown IP address try to resend again later, which most spammers won't bother to do, they say.

Clearswift has also included an upgraded version of its TrustManager reputation service that offers more detailed control over which e-mails are allowed into an organization. Previously the MimeSweeper appliance would accept or reject a message; with the upgrade a message can be deemed good, neutral, suspicious or bad, giving users additional options such as quarantining or throttling questionable messages, they say.

The company has also added backup and restore options to the appliance for scheduled or immediate backup of the device to a remote FTP server.

Following a recent trend to provide enterprises with more flexible deployment options, Clearswift is making this release of MimeSweeper available as a virtual appliance that works with VMware's ESX server, officials say.

MimeSweeper E-mail Appliance 2.6 is priced per user. A 1,000-employee organization would pay US$21,200 for the appliance.

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