Compare the Top Email Security Software in Asia as of April 2026

What is Email Security Software in Asia?

Email security software protects organizations from cyber threats such as phishing, malware, and spam by filtering incoming and outgoing email traffic. It uses advanced threat detection, encryption, and data loss prevention (DLP) to safeguard sensitive information. These tools also offer features like email authentication (DMARC, SPF, DKIM) and real-time threat intelligence to block emerging attacks. By securing email communications, businesses can prevent data breaches, ensure regulatory compliance, and maintain user trust. Email security software is essential for mitigating human error, which is one of the leading causes of data breaches. Compare and read user reviews of the best Email Security software in Asia currently available using the table below. This list is updated regularly.

  • 1
    PreVeil

    PreVeil

    PreVeil

    PreVeil makes military-grade security accessible to everyone. Its encrypted Drive and Email platform is used by over 3,000 organizations to improve their security and achieve CMMC, DFARS, and ITAR compliance. PreVeil Drive works like DropBox for file sharing and collaboration, but with far better security. PreVeil Email works with existing apps like Outlook or Gmail, letting users keep their regular email addresses. Because it works with your existing tools, PreVeil is easy to use and can be deployed in hours. All documents and messages are automatically encrypted end-to-end, which eliminates central points of attack and means that no one other than intended recipients can read or scan your sensitive information—not even PreVeil. PreVeil’s solution has been used by 75+ defense contractors & C3PAOs to achieve perfect 110/110 scores in CMMC assessments. Visit PreVeil to learn more.
    Starting Price: $20 per user per month
  • 2
    Zivver

    Zivver

    Zivver

    Zivver is the effortless, smart, secure digital communications platform powering the next generation of secure digital communications. Trusted by over 5,000 organizations globally, Zivver prevents data leaks caused by human error and ensures compliance. Zivver seamlessly integrates with all major email clients including Gmail, Outlook, and Microsoft 365 and features unparalleled zero-keys encryption, with smart features such as contextual machine learning powered business rules. Zivver allows anyone to share large files up to 5TB securely via their existing email client. Zivver is fully compliant with all leading data security standards, including ISO 27001, NTA 7516, GDPR, HIPAA.
    Starting Price: 0.99€/month/user
  • 3
    Kerio Connect
    Secure, enterprise-style email, calendar & collaboration without the high cost. Kerio Connect delivers all the features and functionality for collaboration and messaging solution without the complexity and high price tag of other systems. Email is integrated with shared calendars and scheduling, contacts management, tasks, notes, shared and public folders, and instant messaging. Synchronize messages by direct push to your choice of mobile device via Microsoft ActiveSync. Instant Messaging is XMPP-compatible and can be used from various 3rd party chat/IM applications on desktop and mobile phones. You can install Kerio Connect in 10 minutes and users can be up and running in just 10 minutes more. Kerio Connect can be deployed on-premises or in partner-hosted cloud environments. Deploy for users on Mac, Windows, or Linux; plus full support for Outlook (Windows and Mac) and many other IMAP or POP compliant email clients.
    Starting Price: $36.50
  • 4
    Accellion

    Accellion

    Accellion

    The Accellion secure content communication platform prevents data breaches and compliance violations from third party cyber risk. CIOs and CISOs rely on the Accellion platform for complete visibility, compliance and control over the communication of IP, PII, PHI, and other sensitive content across all third-party communication channels, including email, file sharing, mobile, enterprise apps, web portals, SFTP, and automated inter-business workflows. When users click the Accellion button, they know it’s the safe, secure way to share sensitive information with the outside world. With on-premise, private cloud, hybrid and FedRAMP deployment options, the Accellion platform provides the security and governance CISOs need to protect their organizations, mitigate risk, and adhere to rigorous compliance regulations such as NIST 800-171, HIPAA, SOX, GDPR, GLBA, FISMA, and others. Accellion solutions have protected more than 25 million end users at more than 3,000 companies.
    Starting Price: $15.00/month/user
  • 5
    CB Exchange Server Sync

    CB Exchange Server Sync

    Connecting Software

    CB Exchange Server Sync is the solution for secure synchronization and migration of data between Exchange Servers. It enables easy synchronization of multiple Outlook accounts hosted in Exchange Server or Office 365. Fully customizable to your business needs. It can be used as one-way or two-way synchronization of calendars, emails, tasks, contacts, and public folders. This solution supports seamless migration of your entire Exchange / Outlook model to Office 365, or other Exchange versions from Exchange 2010 SP1 and all newer ones. Great in combination with: • CB Super Secure Exchange Server, the solution to prevent hackers from using Exchange Server as entry point to a secure network. • Exchange/ Outlook Content Censor, access your Exchange account outside the company without exposing sensitive information. You can control what to restrict such as: attachments, address, signatures, names, documents and more.
    Starting Price: $4.99 per user/per month
  • 6
    Encyro

    Encyro

    Encryo Inc

    Encyro offers secure file sharing, encrypted email, and electronic signatures. Encyro's award winning design makes the process easy for both you and your clients. You need not ask clients to sign up for any portal accounts. Encrypted Messaging and File Sharing You can directly send to any email address and Encyro automatically keeps your data secure both during transmission and storage to let you comply with HIPAA, GLB, IRS, GDPR, FINRA, SOX and other compliance standards. You can receive securely via your custom branded upload page that does not require the client to login or jump through hoops. Electronic Signatures Encyro e-signatures are designed to keep your transaction secure during remote signing. You control the login options and the type of signature to ensure that the right person is signing. Encyro also provides custom branding, automated reminders, and re-usable e-sign templates. NIST-800-63 compliant access codes by text/SMS for added security.
    Starting Price: $9.99/month/user
  • 7
    RMail

    RMail

    RPost

    RMail® is the e-security platform by RPost®, a global leader since 2000. RMail specializes in elegantly easy to use email encryption for privacy and compliance, e-signatures, legal e-delivery proof, secure file sharing, email impostor protection, document rights management, and AI-infused services to prevent data leaks and human e-security errors. RMail’s transmission e-security services are most often used by businesspeople or business systems that send important, sensitive, or consumer-regulated information. These RMail services are generally applied to those messages where the sender needs functionality beyond standard email in terms of (a) easier to use and more automated email encryption for privacy compliance, (b) returning a verifiable proof record of who said what to whom by email, (c) assurance and peace of mind related to delivery and open status of important and time-deadline email, (d) need a timestamped proof of content delivered, (f) need to share large files securely.
    Starting Price: $7/month/user
  • 8
    BooleBox

    BooleBox

    Boole Server

    BooleBox is a content security platform that maintains clients data integrity and confidentiality from unauthorized access while ensuring the highest level of encryption to protect sensitive data from attacks. Thanks to an advanced encryption system and various security settings, users can finally create, edit, share and classify files and folders, without compromising the usability. With boolebox solutions, we protect your data wherever it is, at work, in the cloud, in transit via e-mail, in shared projects, and in the most commonly used platforms, such as Windows, Outlook, Gmail, OneDrive, and SharePoint. We understand your potential digital vulnerabilities, and we protect them like no one else can because our protection is the bodyguard of your data. It never abandons it and follows it everywhere! We protect large amounts of data in different types of business sectors. We have been doing this every day since 2011.
  • 9
    Cryptshare

    Cryptshare

    Cryptshare

    Cryptshare is innovation to protect your information when most at risk. We all need to send messages and data in our daily business. However, we face many limitations, as soon as data is in transit: 1. Protection of data 2. File size limitations Our solution solves these in a very effective and user-friendly way. It brings many other benefits including: *Detailed audit trail *Compliance with central data protection regulations *Great potential for automating business communication *It is also inexpensive, easy to implement, and accessible from any kind of device with a browser. Cryptshare complies with ISO 27001 and GDPR. Cryptshare keeps your information secure all the way.
    Starting Price: €5 per user per month
  • 10
    DekkoSecure

    DekkoSecure

    DekkoSecure

    Dekko Secure is a fast-growing SaaS company providing leading-edge, military-grade security. Unlike many popular file sharing and collaboration tools our security was designed from the ground up for end-to-end encrypted, zero-knowledge data defence and sovereignty, whatever the file size or type. That's why we are trusted and chosen by government and business at the highest level. They also love that our web-based platform needs no installation or training so is quick to deploy and easy to use. Our security starts where the popular solutions stop. DekkoGov™ - Ultra-secure file sharing, collaboration & eSignatures for Government workflows. DekkoGov™ is trusted by Government departments and external stakeholders globally. DekkoPro™ - Share sensitive data easily using military-grade security with no file-size limits. DekkoPro™ allows businesses of all sizes to keep their data ultra-secure, simplify workflows, compliance and increase productivity.
  • 11
    Sealit

    Sealit

    Sealit Technologies

    When implementing a Zero Trust security model you shouldn’t question if your accounts or devices will get get compromised - assume they will. With Sealit, the sensitive data in your emails and files will remain fully protected even in that scenario. It takes one click from your existing inbox to encrypt your sensitive emails. It takes one click to encrypt any file format on your desktop. We made sure your workflow isn’t disrupted as we add a strong layer of protection to your sensitive data. Human error accounts for over 90 percent of cyber attacks on businesses, so you need to have a system in place to minimize the risk. Our patent-pending end-to-end encryption ensures each facet of your business is protected. Our app uses biometrics as authentication which provides you a seamless protection experience. Unlike passwords, biometrics cannot be taken away from you, there’s nothing you need to remember, and you always have it with you.
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