Best Email Encryption Software for Mac of 2025

Proton Mail was founded in Switzerland, and all of our servers are located there. All user data is protected under strict Swiss privacy laws. All emails are encrypted automatically using end-to-end encryption. This means that even we cannot read or decrypt your emails. Your encrypted emails cannot therefore be shared with any third parties. To create your secure email account, you don't need to provide any personal information. We do not store IP logs that can be linked to your anonymous account. Your privacy is paramount. Email privacy should be accessible to everyone, according to us. Our code is open-source and basic Proton Mail accounts come free. Support the project by donating to it or upgrading to a paid account. Proton Mail is compatible with all devices without the need for software installation. Proton Mail Business allows you to keep your business email address. You can send and receive encrypted email both within and outside your organization.

Mailfence is an encrypted email provider that uses OpenPGP-based encryption and digital signatures. Mailfence offers a variety of features that allow for collaboration without compromising security or convenience. Mailfence documents allows you to securely store and edit documents. You can also share documents with your team by pressing a button. Mailfence calendar will help you keep track of all your tasks, meetings, events, and other important information. Mailfence contacts will save your contacts and allow you to create mailing lists to maximize efficiency. Mailfence was designed to be fully interoperable. This means that you can sync Mailfence with any service. Mailfence offers fully customizable whitelabel versions for its Mailfence interface. Mailfence donates 15% from PRO subscriptions to IFF or EDRI to support the fight for Online privacy.

Spike integrates all your workspace into one Inbox. This includes email, chat and calendar, calls, team collaboration, tasks, calls, and even calls. You can now do your work in one feed so you don't have to switch between apps. Spike's conversational email merges traditional email with instant messaging, eliminating cluttered email threads. Live collaboration and real-time communication allow for better interactions and a more human communication environment. Spike is available for iOS, Android, Mac and Windows.

Tuta provides a privacy-focused email service that guarantees end-to-end encryption, securing all your data from unauthorized access. Featuring quantum-safe cryptography, Tuta protects your communications with the highest standards of security. Its intuitive apps for Android, iOS, and desktop ensure an easy and efficient experience for users, with no ads and complete privacy. Tuta also supports custom domains for professional use and remains committed to sustainability by using 100% renewable energy for its operations.

Email, meet AI. Canary can send your emails, prioritize what is important, silence spam, and much more. Say hello to your Inbox Copilot!

RMail®, the e-security platform from RPost®, is a global leader in 2000. RMail is a specialist in elegantly simple email encryption for privacy, compliance, legal e–delivery proof secure file sharing, email rights management, email impostor protection and email encryption. RMail's transmission security services are often used by businesspeople and business systems that need to send sensitive or consumer-regulated information. These RMail services can be used for messages that require additional functionality beyond standard email. They include (a) an easier-to-use and more automated email encryption to ensure privacy compliance; (b) a verifiable proof record of who sent what email to whom; (c) assurance and peaceof mind in relation to delivery and open status email of important and time-deadline emails, (d) need to have a timestamped proof that content was delivered; (f) the need to securely share large files.

When you need to swiftly share a confidential file or email with a customer, partner, or employee outside your organization and beyond the secure network, it is crucial to follow best practices. The CNIL strongly recommends that businesses and organizations implement data encryption during transfers and ensure personnel are educated about potential risks. Data encryption plays a vital role in contemporary data protection strategies. By utilizing specialized encryption solutions such as BlueFiles, companies can transform their data into a format that is unreadable to anyone except the intended recipient. BlueFiles offers a solid guarantee for all your digital data transfers, ensuring file integrity, complete confidentiality, remote file control, and tracking capabilities. This method not only saves time and enhances user experience but also reduces costs, allowing for secure communication over the Internet without the threat of sensitive data exposure. Additionally, under GDPR regulations, organizations must take proactive measures to encrypt personal data transfers to avoid severe penalties, emphasizing the importance of compliance in today’s digital landscape. By adopting these practices, businesses can foster trust and security in their communications.

25% of the top 100 German companies with the highest turnover choose Zertificon's solutions. We make Enterprise Email Encryption effortless for secure communications with anyone, anywhere, with our Z1 SecureMail Gateway solution. Your entire organization encrypts and decrypts, just as well manages and verifies email signatures smoothly in the background. Z1 SecureMail Gateway requires very little maintenance. Furthermore, the browser-based admin interface does not call for any special skills. Keys are managed automatically, and security policies are centrally enforced. Integration into your cloud or on-premises email infrastructure is quick and straightforward. Your business and workflows are uninterrupted – no employee training is required, and recipients get a frictionless experience. Encryption is centrally customizable and proofed against human error with Z1 SecureMail Gateway. You can quickly establish and maintain compliance and the highest levels of security. You also own your encryption keys and get German-engineered data sovereignty with no backdoors.

EncryptTitan, a complete encryption system for MSPs & Enterprises, allows users to securely exchange information via email. EncryptTitan gives organizations the tools to comply with federal and state privacy regulations while protecting their business. No on site hardware required. Send unlimited encrypted email using a secure solution. Ultimate scalability. EncryptTitan has pre-built DLP policies and settings that will look for regular content in the message body or attachment to automatically encrypt messages. The outlook plug in can be used with our keyword encryption deployment, where the user can select which emails to be encrypted for the add in. EncryptTitan helps the safeguarding of private information & avoidance of litigation & bad press which can impact customer trust. Book your demo today and learn more about EncryptTitan.

Aspida Mail was designed to prioritize ease of use. We understand the necessity for you to maintain your regular business operations effortlessly. The installation process for Aspida Mail is straightforward and compatible with any device that supports IMAP. Furthermore, Aspida ensures that your communications are secure, as it is an encrypted email service compliant with HIPAA regulations. With this in mind, you can focus on your work while enjoying peace of mind regarding your email security.