Secure email for secure communications

Zoho Mail constantly works to give you a secure email experience. Keeping your data safe has always been a big part of that. With the finest practices in privacy, email security, and compliance, what's yours stays within guarded doors.

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Secure email for secure communications

Enterprise standard compliance and security

Physical Security

With the aim of providing our customers with a best in class secure email, we ensure a 99.99% uptime and have equipped our data centers and hardware with the best services to stand tall against physical and logical breaches. We employ robust access restriction and monitoring techniques to ensure safeguarding your confidential information and boosting security.

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  • Highly secure data centers
  • Hardware security
  • Access restrictions & monitoring
  • DOS and DDOS prevention
  • 99.99% uptime

Email threat protection

Zoho Mail proves its mettle as a secure email provider with an advanced set of administrative tools that help you protect your organization's data against phishing, malware, and other advanced threats. Rest assured, your information is safe with us under multiple protective shields.

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  • Anti-Spam, Anti-Virus
  • Malware and phishing protection
  • Advanced threat protection
  • Email policies
  • Administrative controls


Zoho Mail ensures a secure email by providing an additional layer of protection against unauthorized access, securing the email content, and facilitating digital signatures. Data is encrypted both at rest and in transit, leaving nothing to chance.

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  • Encryption at rest
  • Encryption in transit
  • S/MIME
  • TLS Indicator
  • OpenPGP

Secure Email Access

Your emails are for your eyes only. To make sure they stay that way, Zoho Mail has ensured secure access to your email account across your multiple devices. The ironclad identity and access management process is designed to keep out unauthorized persons.

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  • Encrypted in transit and at rest
  • S MIME
  • Secure pass
  • e-Signature

Organizational security

We employ meticulous organizational security policies and procedures to rigidly secure and maintain confidentiality of customer data. Not only do we have dedicated compliance, security and privacy teams, but we also conduct thorough background checks for our employees and train them on information security, compliance, and other similar areas.

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  • Employee checks
  • Security awareness
  • Dedicated security and privacy teams
  • Internal audit and compliance
  • 3rd Party audited certifications

Frequently asked questions

  • Why do you need secure email?

    Your emails often contain personal and crucial information. A secure email service ensures that these emails are only read by you and the intended recipient. It also protects you from attackers and data theft. Zoho Mail's encryption helps keep your emails safe.

  • How does Zoho encrypt your email?

    Encrypted email is unreadable by anyone other than the intended recipient. Zoho Mail's encrypted emails are achieved both at rest and in transit. Emails are stored in Zoho Mail servers in an encrypted format whose key is managed with utmost security. Security protocols like TLS and S/MIME are used to support encryption of these emails even in transit.

  • Who needs a secure email service?

    While a secure email service offers good email security to a vast majority of users, there are some users who need it the most. Email security is crucial if you share sensitive business information over emails. Similarly, individuals or organizations with privacy concerns and businesses that need to comply with data privacy regulations will also benefit from a secure email service.

  • Can Zoho access your encrypted data?

    Access to your encrypted data is highly restricted, even from our employees. Customer data is heavily guarded at Zoho Mail. In rare cases where a request or issue needs to be resolved, selected employees are given access to obfuscated data after multiple security checks. This access is tightly controlled and constantly monitored.

Secure email service for you:

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