Email Security

Advanced Threat Protection. Data Loss Prevention.

Email Security without Delay.

Next Generation Email Security

Today’s ever-morphing malware, the resurgence of ransomware and the increase of phishing spam demands a new level of email security. Clearswift offers the industry’s most effective layer of real-time signature-less inspection to detect and completely sanitize evasive threats, delivering highly secure email without delay, whether it's on-premise or in the cloud e.g. Office 365.

Clearswift SECURE Email Gateway datasheet

Unprecedented Email Protection

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Phishing attacks stopped

99.9% spam detection and 0% false positives.

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Zero-hour protection without delay

Signature-less malware sanitization detects morphed variants (competitive solutions are evaded and take up to 30 mins).

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Adaptive DLP and Compliance

Real-time detection, redaction and intelligent data security enforcement.

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Advanced Threat Protection

Protect against zero-hour threats evading anti-virus (AV) and sandboxing analysis with the industry’s deepest level of inspection. Unparalleled recursive decomposition and true file detection completely dissembles emails into its constituents parts, ensuring removal of weaponized scripts and payloads without delaying email delivery and false positives.

Anti-spam and Phishing

Prevent spam and phishing emails initiating an attack, while drastically reducing the amount of time users spend managing their inboxes. Clearswift’s multi-layer defense leverages IP reputations, greylisting, signatures, SPF, RBL, recipient authentication, and machine learning engines to provide > than 99.9% detection rates. DKIM support and an Outlook Spam Reporter crowdsources spam monitoring, registering and elimination.

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Bi-directional Virus and Anti-malware Scanning

Stops known and unknown malware infection entering or leaving the network utilizing Cloud-based lookups and heuristics to supplement traditional signature downloads delivering superior virus protection. Choice of up to 3 AV engines (Avira, Sophos and / or Kaspersky).

Email Attachment Sanitization

Ensure all emailed attachments that leave your organization are completely redacted and sanitized. Automated removal of hidden metadata (author, username, server names, etc.), comments and revision history prevents the leak of sensitive data and information harvesting used for targeted phishing attacks. Sanitize your images using the Clearswift Anti-Steganography feature to ensure that no-one is trying to exfiltrate data using these files formats.

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Email Encryption in the SECURE Email Gateway

Email Encryption

With TLS as standard, and cost options to provide either S/MIME, PGP and password protected files or Web portal-based encryption, the Clearswift SECURE Email Gateway offers a variety of options to cater for customer requirements. Whichever you choose, the Gateway allows sensitive data to be delivered securely, in seconds, using the optimal format for the recipient.

Optical Character Recognition (OCR): DLP for images

Optical Character Recognition (OCR) is the process of detecting and extracting text from an image file, an image embedded within an electronic document, or a scan of a document. All Clearswift email security products have OCR functionality built-in to mitigate the risk of data loss through images shared through email. The OCR feature supports multiple languages, enabling it to be easily used by global organizations who operate using more than one language.

OCR datasheet
Office 365 email security document

Business-Strength Security for Cloud Email

If you are looking for an alternative to on-premise email security, Clearswift offers a straightforward, secure and cost-effective hosted solution to protect your organization’s email including Office 365; allowing you to have complete control over your dedicated system whilst reducing your on-site footprint.

Adaptive Data Loss Prevention (A-DLP) for Email

Protect critical information with the industry’s game-changing Adaptive DLP technology for email. Block, encrypt or uniquely redact only the sensitive information that breaks policy while allowing the rest of the email to continue without disruptive quarantines or false positives. Optimized for data privacy and regulatory compliance (PCI, HIPAA, GDPR, etc.)

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Email Security Solutions and Resources

  • SEG icon

    Complete Email Security 

    SECURE Email Gateway

    More Info
  • ARgon icon

    Security Add-On for Existing Gateways

    ARgon for Email (Vendor Neutral)

    More Info
  • SXG icon

    Adaptive Security for Internal Email

    SECURE Exchange Gateway

    More Info
  • Cloud security icon

    Cloud Email Security

    Securing Office 365

    More Info
  • Webmail icon

    Webmail Security

    Clearswift SECURE Web Gateway

    More Info
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Easy to Use. Flexible Deployments

Recognized for its intuitive policy capabilities and distributed management reviews, Clearswift Email Security Solutions offer the deployment option that best meets your security needs - cloud, virtual or gateway appliance. Clearswift’s unevasive detection and sanitization can also provide the enterprise protection that business require for cloud email and webmail.