Proton Mail vs. Mailfence vs. Custom Email Hosting

Proton Mail for Business offers a secure and professional email solution trusted by 50,000 organizations. Built with end-to-end encryption and protected by Swiss privacy laws, Proton Mail ensures your sensitive information is safe from unauthorized access and data leaks. Whether you're a small business or a large organization, you can ensure regulatory compliance, reinforce client trust, and keep your communications safe. Easily migrate your team from Google or Microsoft, use your own email domain for your communications, and manage your schedule with Proton Calendar — all in a user-friendly, privacy-focused platform.

Mailfence is a provider of encrypted email services that employs OpenPGP-based encryption along with digital signatures for enhanced security. It boasts an array of features that facilitate collaboration while ensuring both security and convenience are maintained. Users can securely store and edit documents through Mailfence Document, and sharing these documents with teammates is as simple as a single button press. Additionally, the Mailfence Calendar helps users manage tasks, meetings, events, and other vital information efficiently. The Contacts feature allows for the storage of contact information and the creation of mailing lists, which enhances overall productivity. Designed with full interoperability in mind, Mailfence can be synced seamlessly with various services. Furthermore, it offers fully customizable whitelabel versions of its interface, catering to diverse branding needs. In a commitment to online privacy, Mailfence contributes 15% of its PRO subscription revenue to organizations like IFF or EDRI. This dedication to supporting privacy advocacy is a testament to Mailfence's values.

Custom Email Hosting provides a complete, professional-grade email platform that balances affordability with advanced features. Businesses can count on 99.9% uptime and dependable email performance to maintain smooth communication with clients and teams. The service includes flexible storage tiers—10 GB for basic needs, 30 GB for standard business use, and up to 1 TB for enterprise accounts—ensuring that inboxes and archives can grow alongside the company. Domain management is made simple, supporting up to 20 domains and 50 email aliases per account. Security is a top priority, with multi-layer protection that includes spam filtering, virus protection, multi-factor authentication, end-to-end encryption, and GDPR compliance. Large attachments up to 2 GB are supported on higher-tier plans, while integration with productivity tools like Google Workspace and Microsoft 365 makes adoption seamless. Businesses benefit from custom domain support, complete with DNS, SPF, DKIM, and DMARC configuration to protect against spoofing and phishing. With 24/7 support and a straightforward setup, the platform is easy to manage even without dedicated IT resources. Pricing starts as low as $0.99 per email per month, scaling up with features to suit the needs of small startups, growing businesses, and large enterprises alike. By offering flexibility, reliability, and strong data protection, Custom Email Hosting positions itself as a trusted communications solution for modern organizations.