Clearswift SECURE Email Gateway (SEG) vs. Tessian Cloud Email Security Platform

The CS SEG appliances are running as virtual appliances by now. They do need not much power in the ESX environment. I recommend to use at least two peers running in a cluster. The cluster feature is working very well. The CS SEG can process a huge number of emails in a very short time frame.

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Tessian Cloud Email Security is well suited for anyone that can afford it. Email is the gateway for the bad guys and having as much security and protection as possible is critical

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• CS SEG is fast in email processing
• Managing the quarantine is easy
• Display of the reasons why an email has been processed this is very detailed

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• simplicity
• plug-and-play
• low-hassle

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• Improvement is needed in the area of AV/Antispam update processing (internally)
• Improvement is needed in the log file processing. Many log file entries are not understandable for an operator or administrator without special insider knowledge
• Clearswift has recently changed the support provider. Now there are no german supporters anymore.

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• The Outlook Add-In broke several systems during use.
• There are many changes to the account reps and engineers assigned to us. As a result, we lost touch with Tessian.
• Lack of knowledge and help from Support during times when the Add-In was disrupting users.

Pretty straight forward for the users and admins. Some terminology takes a little time to learn for the admin, functionally seems rock solid.

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The Clearswift Secure Email Gateway (CS SEG) has very low license costs. A two peer cluster is enough to run a complete emailing gateway environment. Compared to the Proofpoint PPS the CS SEG does not need a management appliance. The CS SEG peers can manage the quarantine by themselves. This is easy to use and quite fast.

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Egress is a very capable product, likely on-par with Tessian as a fraction of the cost. I will be giving them a deep review this year

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• Since this CS SEG environment is operated for a customer, I cannot answer this question

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• provides additional email security protections for inbound and outbound
• Helps prevent the mis-direction of outbound email

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A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info