Comparing Secure Email Gateway Solutions
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NoSpamProxy ensures protection against spam and ransomware, offers secure email encryption and safe large file transmission. Works in the cloud or as a managed service.
Microsoft Exchange is a business email platform combining communication, calendar, contact, and task management. It's flexible, scalable, and offers integrated advanced features.
RMail offers simple, verifiable email encryption with AutoTLS for secure data transmission. It features LargeMail, e-signatures, and a one-time text option. Costs €11.20/month.
Paubox provides email security products for encrypted, HIPAA-compliant communication. It offers protection against spam, phishing, and malware.
Cisco Secure Email Threat Defense provides comprehensive email security, featuring threat analysis, a powerful search function, and a three-fold defense action.
Kiteworks Secure Email offers top-level security for confidential emails via encryption, rule-based policies, and access controls.
Virtru provides immediate encryption and control over sensitive data in emails, files, apps, integrating seamlessly into the Google ecosystem.
PhishProtection offers real-time, immediate phishing, ransomware and email fraud protection. Features a dashboard, historical stats, simulator, and support.
Barracuda Email Gateway Defense offers continuous, cloud-based email threat protection. It ensures all incoming mails are filtered, scanned for viruses, and safe.
Broadcom Email Security.Cloud provides multi-layered email security against spam, malware, and phishing. Its features aid businesses in secure and efficient email management.
Egress Intelligent Email Security increases data protection, has user-friendly workflows, and integrates with Microsoft 365.
ForcePoint offers cloud security with multilayered email security, machine learning, and behavioral analytics to guard against threats.
Symantec Messaging Gateway offers email security, combating spam, malware, and targeted attacks. It features real-time antispam filters and data security measures.
TitanHQ is an email security software with features like spam, malware blocking, DNS filtering. It uses machine learning for threat detection.
Proofpoint Essentials for Small Business offers robust email security, data protection, and archiving, preventing targeted attacks and data loss.
Cloudflare Area 1 is a cloud-based email security solution offering Zero Trust protection against phishing, malware, and credential theft.
More about Best Secure Email Gateway Software & Tools
What are Secure Mail Gateways?
Today's digital space is more than ever a crucial battlefield in the modern business world. Emails are a central method of communication and, therefore, a preferred target for cybercriminals. Against this backdrop, it is important that companies protect and secure their email communication to ensure confidentiality, integrity, and availability. One tool that helps with this is the so-called Secure Mail Gateway (SEG).
A Secure Mail Gateway is a security solution that filters all incoming and outgoing emails of a company to detect and block threats such as spam, phishing, malware, and ransomware. It acts as the first line of defense against cyber threats delivered via emails and plays a vital role in a comprehensive cybersecurity strategy.
An SEG essentially acts as a barrier between a company's internal email network and the external email environment. All incoming and outgoing emails pass through the gateway, which acts as a filter to detect and fend off potential threats.
The main functions of an SEG, therefore, include filtering spam, detecting and fending off phishing attempts, defending against malware and ransomware, and implementing Data Loss Prevention (DLP) policies. Some advanced SEGs can also offer encryption and other functions to ensure data security and privacy.
A well-configured and properly implemented gateway can help to minimize the risk of privacy breaches, increase productivity (by reducing the influx of spam emails), and can assist in maintaining the company's compliance.
Functions of Secure Mail Gateways
Secure Mail Gateways are a central part of many companies' cybersecurity strategy for several reasons. The most important functions of an SEG include:
Spam Filtering
One of the fundamental features of an SEG is the ability to filter unwanted emails or spam. Spam can not only impair productivity by flooding employees' inboxes, but can also serve as a carrier for malware and phishing attacks. A good Secure Mail Gateway should have effective spam filters that check emails for particular characteristics to determine whether they should be classified as spam.
Virus Scan and Malware Detection
Cybercriminals often use emails to spread viruses, malware, and other malicious software. Secure Mail Gateways run a virus scan for all incoming and outgoing emails to detect and neutralize such threats. Modern SEGs use advanced technologies, including machine learning and artificial intelligence, to identify even the latest malware threats.
Data Loss Prevention (DLP)
Another important feature of Secure Mail Gateways is Data Loss Prevention functionality. This means that the gateway checks incoming and outgoing emails for confidential information and prevents this data from being sent or received unauthorized. This function is particularly important for companies that must comply with strict privacy policies.
Email Encryption
Email encryption is another essential feature that a Secure Mail Gateway should have. Encryption ensures that only the intended recipients can read the contents of the email, even if it is intercepted during transmission. This is especially important when confidential or sensitive information is being exchanged.
Policy Enforcement
Finally, Secure Mail Gateways allow companies to enforce specific email policies. These may include what types of attachments are allowed in emails, what types of content are considered inappropriate or unsafe, and other specific policies that help keep the company's email network secure.
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