Hexamail Nexus serves as a scalable and reliable messaging platform designed to address all organizational email processing requirements. Its unique, modular architecture allows businesses to incrementally add or enhance functionalities such as antispam, advanced email routing, or disclaimers without requiring reinstallation or extensive reconfiguration. Operating on the SMTP protocol, Hexamail Nexus seamlessly augments any existing email system, including full support for Microsoft Exchange environments (versions 5.5, 2000, 2003, 2010, SBS2003, SBS2008). The platform incorporates an advanced caching and processing engine, ensuring high performance and scalability even under the most demanding email traffic loads, capable of processing up to 25 emails per second without size limits. A key advantage of Hexamail Nexus is its deployment as a server-side software solution directly on the client's network. This ensures guaranteed privacy by preventing email from being sent to cloud services or third-party servers for analysis, thereby eliminating additional latency and external dependencies. The system offers a comprehensive suite of tools for email security, compliance, automation, and content management, establishing itself as a central hub for controlling and optimizing an organization's entire email flow. It provides granular control over email content, routing, and storage, making it an invaluable asset for maintaining communication integrity and regulatory adherence.

Features & Benefits

• Advanced Email Security
  • Provides comprehensive protection against email-borne threats, including sophisticated spam detection, virus and malware removal, secure gateway encryption, and undesirable content censorship.
• Effective SPAM Blocking:
  • Utilizes Bayesian pattern matching, 3rd party DNS blacklists (RBLs, DULs, Spamhaus), SPF/DKIM checks, URL/IP blocking, and advanced content, sender, country, image, PDF, and ZIP attachment analysis. Includes greylisting, challenge-response, honeypot, and automatic allowlisting.
• Advanced Antivirus:
  • Integrates an award-winning ClamAV engine for 100% detection of in-the-wild viruses, worms, malware, and Trojans, featuring automatic updates and a secure quarantine.
• Gateway Encryption & Anti-Spoofing:
  • Offers centralized email security with PKI X509 certificate support (SMIME) for signing, verification, encryption, and decryption, enabling end-to-end email security. Supports DomainKeys Identified Mail (DKIM) for outbound email signing, improving delivery rates and preventing spoofing.
• Content Censoring & Blocking:
  • Masks obscene or inappropriate content (keywords, expressions) in incoming and outgoing emails and systematically blocks emails based on various criteria (sender, recipient, content, attachments, size, IP, country) to protect company reputation and prevent unauthorized information disclosure.
• Intelligent Email Routing & Automation
  • Automates email flow with sophisticated rules, ensuring messages reach the correct recipients immediately, and enables automated responses and corporate branding.
• Automatic Email Routing:
  • Configurable rules based on subject, sender, content, MIME header, IP address, attachments, language (using Bayesian matching), day of week, and time of day.
• Group Distribution & Sender Groups:
  • Facilitates powerful group forwarding for discussion groups (public, opt-in, closed) with moderation, and allows masking of outbound sender identities with automatic reply routing for support desks/CRM.
• Automated Responders & Disclaimers:
  • Supports intelligent auto-responders with scheduling and HTML support, and automatically inserts corporate signatures, disclaimers, or marketing footers into outbound emails.
• Centralized Email Archiving & Compliance
  • Provides a scalable, full-text searchable archive for long-term email retention, supporting eDiscovery, auditing, and adherence to regulatory requirements.
• Full-Text Archive:
  • Creates a highly efficient, compressed, and scalable full-text searchable email archive for long-term retention, knowledge management, auditing, and eDiscovery.
• Regulatory Adherence:
  • Ensures compliance with regulations such as Sarbanes Oxley, European Union ISP Communications Data retention, SEC Rules, NASD, HIPAA, and Graham-Leach-Bliley Act.
• Flexible Sources & Access:
  • Indexes email from almost any source including Exchange, maildir, mbox, hMail, iMail, MDaemon, POP3, SMTP, and PST files, with live web-based access for users and administrators.
• Flexible Email Connectivity & Migration
  • Connects to and processes emails from external POP3/IMAP accounts, facilitates IMAP server migration, and unifies user email into corporate mailboxes.
• POP3/IMAP Connectors:
  • Downloads emails from external POP3/IMAP accounts, strips spam, and reroutes to corporate mailboxes or other addresses.
• IMAP Migration & Push:
  • Migrates IMAP emails between servers and allows email to be uploaded to an IMAP server based on configurable rules, including folder remapping.
• Efficient Downloads:
  • Supports highly efficient multiplexing communications for simultaneous downloads, SSL servers, and instant IMAP IDLE PUSH notifications.
• Developer API & Reporting
  • Offers a robust API for custom integrations and provides scheduled reporting for comprehensive email statistics and real-time alerting on specific email activities.
• Email API:
  • Full REST/JSON/XML API with webhook triggers for comprehensive control over all Hexamail modules, enabling custom application development.
• Alerting:
  • Configurable alerts for nominated users on specific rule matches, such as content disclosure, attachment types, or unauthorized email usage.
• Reporting:
  • Provides fully-automatic scheduled reporting of any statistics, with configurable requirements, HTML publication, and full-color graphs.
• High Performance & Scalable Infrastructure
  • Built on a next-generation messaging infrastructure with advanced caching and processing, ensuring high throughput and scalability for demanding email traffic loads.
• Scalable Architecture:
  • Advanced streaming processing engine ensures maximum email flow rate and high performance, even under demanding loads.
• Augments Existing Systems:
  • Based on the SMTP protocol, it can augment any existing email system, including full support for Microsoft Exchange.
• Incremental Licensing:
  • Revolutionary licensing system allows organizations to license only the functionality and user numbers needed, providing flexibility to scale and add features without disruption.