SecureMyEmail
by SecureMyEmail Free plan Free trial From $29.99 a year AndroidiPhone & iPadWebWindowsMac
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Best Email Encryption Software 2026
Protecting email content involves more than choosing how a message is encrypted: delivery, recipients, and access all matter. Compared on secure delivery and recipient verification, these tools also differ in listed attachment limits and message expiry. Gmail and Outlook integration can help you consider fit with your email services, while admin access controls provide another point to review. SecureMyEmail, DataMotion Secure Email Exchange, and Proofpoint Email DLP and Encryption are among the options shown. Compare free-plan availability and paid-from pricing alongside the controls relevant to your messages, recipients, and administrative needs.
02
Virtru Email Encryption
Virtru Email Encryption may suit individuals or teams seeking protected email delivery across desktop and mobile platforms.
AndroidiPhone & iPadWeb+5 Record6.1 Visit
03
Lockbin
Lockbin may suit medical, dental, CPA, finance, and government organizations that handle sensitive information.
WebWindowsMac+1 Record5.8 Visit
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Virtru Data Security Platform
Virtru suits organizations protecting shared data across email, files, applications, and partner environments.
AndroidiPhone & iPadWeb+6 Record5.7 Visit
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Send It Secure
iPhone & iPadWebWindows+2 Record5.6 Visit
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gpg4o
Windows €9,995 one-time Record5.5 Visit It suits Outlook users on Windows who need OpenPGP encryption, signing, or message checking.
7
PDF Postman
Windows $69.99 one-time Record5.5 Visit PDF Postman suits Windows Outlook users who need password-protected PDF delivery and attachment encryption.
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Encryptomatic OpenPGP
Windows $29.99 a year Record5.2 Visit It suits Windows users who need OpenPGP encryption with Classic Outlook, including eligible personal users and organizations.
9
Secure Message
WebLinuxSelf-hosted $690 a year Record5.2 Visit Secure Message fits healthcare, finance, legal, MSP, internal IT, and compliance-focused organizations needing self-hosted mail filtering and controlled delivery.
11
MailHippo
WebWindowsAPI $4.95 a month Record5.1 Visit MailHippo suits healthcare providers, administrators, counselors, business associates, and other covered entities sending protected patient information.
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Microsoft Exchange Online
AndroidiPhone & iPadWeb+2 $4 a month, billed yearly Record5.0 Visit It suits businesses needing hosted email, calendars, contacts, administration, and compliance controls across major devices.
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Mailvelope
WebBrowser extension €3 a month Record4.8 Visit Mailvelope may suit individuals who want PGP encryption with supported webmail, or organizations seeking business integrations and email support options.
15
Mimecast Secure Messaging
AndroidiPhone & iPadWeb+2 — Record4.6 Visit Secure Messaging suits organizations sending sensitive information to colleagues or partners by email.
16
Proofpoint Email DLP and Encryption
AndroidiPhone & iPadWeb+1 — Record4.4 Visit It is for organizations seeking policy-based protection for sensitive business email and attachments.
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c.Email
Browser extension Free plan Record4.3 Visit It suits people who want to add encrypted email and verified sending while keeping a Gmail or Outlook address.
18
FlowCrypt
Browser extension Free plan Record4.3 Visit FlowCrypt suits individuals or organizations that need encrypted email for OpenPGP users or password-protected messages for other recipients.
21
Sophos Secure Message
Web — Record4.0 Visit Organizations seeking cloud email threat defense, encryption, data-loss prevention, and user-awareness capabilities.
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Trustifi Outbound Shield
WebWindowsMac+2 — Record4.0 Visit Trustifi describes Outbound Shield for small and mid-size businesses, managed service providers, and regulated organizations such as legal, healthcare, and financial…
25
OpenText Core Email Message Privacy
Web — Record3.7 Visit OpenText describes the product as intended for managed service providers protecting small and medium-sized businesses.
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