

Fortinet FortiMail and Microsoft Defender for Office 365 compete in the email security category. Microsoft Defender for Office 365 holds an advantage due to its comprehensive integration with Microsoft apps and robust protection features, making it particularly beneficial for Microsoft Office Suite users.
Features: Fortinet FortiMail provides multi-layered email security with features like the FortiGuard Antispam Service, DNS blacklist, PDF scanning, and greylisting. Microsoft Defender for Office 365 offers integrated security with anti-phishing policies, threat protection, and information protection, benefiting users within the Microsoft ecosystem.
Room for Improvement: Fortinet FortiMail needs enhancements in user-friendly interfaces, third-party integration, and reporting capabilities. Microsoft Defender for Office 365 could improve its pricing model, cross-platform integration, and detailed reporting features.
Ease of Deployment and Customer Service: Fortinet FortiMail supports primarily on-premises deployment with hybrid options, offering quality support but facing responses delays. Microsoft Defender for Office 365 fits hybrid and cloud environments well, with competent support, though technical changes may require adjustments.
Pricing and ROI: Fortinet FortiMail is known for being cost-effective, offering flexible options that are generally cheaper than some competitors. Microsoft Defender for Office 365, part of Office 365 bundles, might appear costly upfront but provides significant ROI through integrated enterprise-level security features.
It offers cost savings compared to Cisco, which was very expensive.
It has also decreased our time to detection and response by about 15 to 20 percent.
Overall, cost of owning and operating our system goes down.
It's hard to quantify the return on investment we've seen from Microsoft Defender for Office 365.
I have direct communication with Kenyan system engineers and local support in Ethiopia, enabling good support.
Mainly, they are focusing on Fortinet FortiMail and FortiAnalyzer, where the support engineers are very good.
Fortinet's technical support offers high-quality support.
Over the past two years, there have been no critical problems.
we opened tickets, and they typically resolve them quickly.
With a subscription for Microsoft Defender for Office 365, it is an eight. Without it, it is a six.
The scalability of Fortinet FortiMail depends on whether you are buying a virtualized license, which allows for a scalable pay-as-you-go model, or if you are buying a box.
Fortinet FortiMail is scalable and can be expanded in large environments.
We have never faced scalability problems, and Microsoft manages it effectively.
Microsoft Defender for Office 365 scales transparently for us, as we grew from 1,000 users to 3,000 users, and we didn't notice much difference.
Microsoft Defender for Office 365 scales with the growing needs of my company well.
This stability is consistent across Fortinet products, including FortiGate firewall.
I would rate the stability of Microsoft Defender for Office 365 as 10 over 10 because it's highly available, it works, and it does the job it is meant to do.
I have not experienced any downtime, crashes, or performance issues because of Defender.
The solution is stable, as we have been using it for the past two years.
Providing comprehensive documentation on how to deploy and configure would improve the solution.
The transition from on-premises devices to virtual appliances may be necessary as more organizations migrate email services to the cloud.
There are also false positives issues, especially with signed PDF attachments.
The main area for improvement is simplifying the implementation and rollout process.
Microsoft could improve by offering recommendations for domain spoofing attacks, especially scenarios where DNS records like SPF, DKIM, and DMARC are not properly published.
There is a different console for different things; I just want one consolidated console.
Fortinet FortiMail is considered overpriced by Indian rupee standards.
The setup cost is a little bit costly.
We've likely saved 30% of costs.
Money-wise, it is a part of the Office 365 suite, making it slightly more expensive compared to Trend Micro.
Microsoft is quite affordable with a lot of features available for any size organization.
Its threat detection capabilities have been beneficial.
The most valuable features are Fortinet FortiMail's ability to protect from advanced features of email-based attacks, including protection against ransomware and malware attacks.
Fortinet FortiMail offers capabilities like settings for mail delivery, mail filtering, spam controls, and email bursting prevention.
It ranks the threats and allows us to prioritize those hitting us the hardest, such as email threats.
It provides end-to-end visibility on email threats such as phishing, extending beyond Exchange Online Protection.
The value of the DLP feature is significant to us because we have internal data, sometimes sensitive, and the users may not always be aware of security and privacy, which might lead them to send out information mistakenly to external parties.
| Product | Mindshare (%) |
|---|---|
| Microsoft Defender for Office 365 | 5.7% |
| Fortinet FortiMail | 2.7% |
| Other | 91.6% |


| Company Size | Count |
|---|---|
| Small Business | 32 |
| Midsize Enterprise | 23 |
| Large Enterprise | 15 |
| Company Size | Count |
|---|---|
| Small Business | 24 |
| Midsize Enterprise | 11 |
| Large Enterprise | 32 |
Fortinet FortiMail is a robust email security platform offering anti-spam, antivirus, and anti-phishing capabilities. It integrates with Fortinet products to ensure seamless protection against email threats in on-premises, cloud, and hybrid environments, enhancing secure communication for businesses.
Fortinet FortiMail is designed to protect against a range of email threats including spam, phishing, and malware, ensuring email safety for organizations. It operates as both a gateway and server, allowing for secure filtering of incoming and outgoing emails. The integration with Fortinet’s suite of security tools provides a comprehensive approach to managing threats effectively, while user-friendly interfaces and detailed reporting systems aid in threat monitoring and management. Frequent updates are implemented, though scalability and web console enhancements are necessary for improved performance.
What are the key features of Fortinet FortiMail?Fortinet FortiMail is implemented by companies across industries seeking to secure their email communications. In healthcare, it protects sensitive patient information, while in finance, it safeguards transactional data against phishing attacks. Retailers utilize FortiMail to prevent data breaches from fraudulent emails, demonstrating its versatility in diverse sectors.
Microsoft Defender for Office 365 offers real-time email security, enhancing threat detection through integration within the Microsoft ecosystem. Its user-friendly interface and central management streamline operations, providing robust protection against phishing, ransomware, and malware.
Defender for Office 365 is focused on efficiently securing email communication by safeguarding against phishing, malware, and spam threats. With its strong integration with other Microsoft services, it is tailored to improve endpoint security and identity protection. Its centralized management tools simplify threat prioritization, while the automated threat response capabilities ensure swift actions against potential risks. Organizations leverage its capabilities to efficiently manage their cybersecurity efforts, particularly in remote work environments, while maintaining a secure system across Office 365 applications and Azure-hosted services.
What are the key features?Implementations of Defender for Office 365 vary across industries, optimizing email security for sectors such as finance, healthcare, and education. In finance, it aids in protecting sensitive financial data from phishing and fraud. Healthcare benefits from secure communications, ensuring patient data privacy. Educational institutions use it to maintain secure virtual learning environments against cyber threats.
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