--- title: "Secure Email Gateway Definition – Protect Your Information System Against Malicious Emails | DuoCircle" description: "Join the thousands of organizations that use DuoCircle Find out how affordable it is for your organization today and be pleasantly surprised.Interested in" image: "https://www.duocircle.com/images/og-default.png" canonical: "https://www.duocircle.com/content/email-gateway/secure-email-gateway-definition/" --- Content # Secure Email Gateway Definition – Protect Your Information System Against Malicious Emails Join the thousands of organizations that use DuoCircle Find out how affordable it is for your organization today and be pleasantly surprised.Interested in [ Talk to an Expert → ](/contact/) [ See what we make ](/products/) ## Secure Email Gateway Definition – Protect Your Information System Against Malicious Emails [Fix Your SPF Errors Now](/content/spf-permerror) Any [email gateway](/content/email-gateway) definition tells you that it is the point through which your incoming, as well as outgoing email, passes. Now, _a secure email gateway is one that additionally protects the internal email server of the organization by preventing or blocking unwanted or malicious emails_. Any [email gateway example](/content/email-gateway/email-gateway-example) acts as the first firewall against malicious emails. ![email gateway](https://media.mailhop.org/duocircle/images/2020/07/enterprise-spam-filtering.png) ### How Email Gateway Works _An email gateway protects by evaluating the domain of inbound emails as well as looking for any suspicious content inside the email, including attachments and URLs_, that’s [how email gateway works](/content/email-gateway/how-email-gateway-works). Unfit messages will get quarantined or rejected. A secure [email gateway definition](/content/email-gateway/email-gateway-definition) encompasses the scanning of inbound emails, outbound emails, and internal email communications of the organization. The gateway checks the outbound emails to ensure that the organization does not suffer any data compromise or loss. Besides, the **email archiving** function helps in legal compliance and management of data. In case of server failure, the organization functions uninterrupted as the continuity feature of the gateway server helps in accessing the emails. _The gateway server also provides analytics for email traffic management_. _The modern secure email gateway systems are mostly cloud-based_. Such architecture lowers the capital investment as no hardware, software, configuration, and maintenance overhead are required. It also simplifies data management. One can use an [email gateway free](/content/email-gateway/email-gateway-free) or trial version before finally purchasing the paid/premium version. ### Features Of A Secure Email Gateway Following are some of the key features a good **email gateway service** provides: #### Spam Filtering _The filtering of spam emails is the essential function of an email gateway_. The spam email gets quarantined or blocked whenever it passes through the gateway. #### Virus and Malware Protection An email gateway uses advanced antivirus technologies to scan for any viruses or malware. _It even scans the email attachments and URLs_. #### Phishing Protection **Phishing protection** is offered by email gateway by employing [anti-fraud technologies](https://business-review.eu/international/new-anti-fraud-technology-solutions-emerge-but-companies-must-ensure-cooperation-between-compliance-and-anti-fraud-departments-210642). It also validates domain names besides spotting [spoofing attempts](https://www.cloudflare.com/learning/ssl/what-is-domain-spoofing/). #### Admin Controls And Reporting The secure email gateway provides the feature of admin control and reporting through which _the admin can take the power of managing the security of the entire email network via a centralized admin dashboard_. Employing a **secure email gateway** is highly beneficial as it provides safety to the organization’s email server from spam, viruses, malware, phishing attacks, etc. In addition to this, it helps in managing the emails and even helps in fulfilling legal compliance through **email archiving** features. It also offers business continuity during network failure or server outage. _A secure email server is a valuable asset to any security-conscious organization_. ![how email gateway works](https://media.mailhop.org/duocircle/images/2020/07/enterprise-spam-filters-1.png) ##### Join the thousands of organizations that use DuoCircle --- Find out how affordable it is for your organization today and be pleasantly surprised. [Outbound SMTP - Sign Up FREE](/email/outbound-smtp)Interested in our Partner Program for MSPs and VARs? Visit Our [MSP Partner Program](/msp-partner-program). ## Ready to talk? Same-day response from someone technical. We tell you yes or no quickly. If yes, we get to work. 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