Virtru is an email and file encryption software that provides end-to-end encryption and control for sharing sensitive information.
Starting at $4 per user per month
Best DeliverySlip Alternatives ranked by AI · updated May 2025
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Secure email communication platform for businesses.
Price: Starting at $10 per user per month
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Top 6 DeliverySlip alternatives
Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service.
Freemium
ProtonMail is an end-to-end encrypted email service based in Switzerland.
Free tier available, premium plans starting at $5/month
Mega is a cloud storage and file hosting service known for its security and privacy features.
Starting from $5.99/month
Tresorit is a secure cloud storage solution that encrypts your files and provides end-to-end encryption for maximum data security.
Starting from $10.42/month
Zimbra is an enterprise-class email, calendar, and collaboration solution built for the cloud, both public and private.
Starting at $6 per mailbox per year
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