Best Email Encryption Software in 2026
Updated
In short: Lockbin is ranked #1 of 28 as of 2 October 2026, ahead of gpg4o and DataMotion Secure Email Exchange. The best-ranked option with a free plan is gpg4o. The lowest first paid tier on this page is Cryptshare.express at €0.42/mo.
When secure email is part of your workflow, compare how each option handles delivery, recipient verification, and access to messages. The listed features also cover attachment limits and message expiry, which can matter when sharing files or setting expectations for how long content remains available. Gmail and Outlook integration show compatibility options, while admin access controls offer a point of comparison for managing use. Check free-plan availability and the listed starting price as well. Mailvelope appears first in the ranking, followed by DataMotion Secure Email Exchange and FlowCrypt. Use the feature details to weigh message controls and email-service fit for the way you communicate.
28 email encryption software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Lockbin Top pick · 7.9 Free plan · $10/mo
#2 gpg4o Runner-up · 7.6 Free plan · €99.95/mo
#3 DataMotion Secure Email Exchange Also great · 7.1 
- Free planFree trial LinuxmacOSWebWindows
- Free plan
- Yes
- Paid from
- 10 /user/mo
- Secure delivery
- link
- Recipient verification
- password
- Message expiry
- Yes
- Attachment limit
- 100 MB
RecognisedDocumentedFree planFree trialPlatforms$10/mofirst paid tier About LockbinVisit site - Free planFree trial Windows
- Free plan
- Yes
- Secure delivery
- attachment
- Recipient verification
- identity
- Message expiry
- No
RecognisedDocumentedFree planFree trialPlatforms€99.95/mofirst paid tier About gpg4oVisit site - Free trial AndroidapiiOSWeb
- Free plan
- Yes
- Secure delivery
- portal
- Recipient verification
- identity
- Message expiry
- Yes
- Attachment limit
- 50 MB
RecognisedDocumentedFree planFree trialPlatforms - Free plan extension
- Free plan
- Yes
- Secure delivery
- link
- Recipient verification
- password
- Message expiry
- Yes
- Attachment limit
- 25 MB
RecognisedDocumentedFree planFree trialPlatforms - Free trial extensionWeb
- Free plan
- Yes
- Secure delivery
- attachment
- Recipient verification
- identity
- Attachment limit
- 50 MB
RecognisedDocumentedFree planFree trialPlatforms€3/mofirst paid tier About MailvelopeVisit site - Free plan extension
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free trial apiWebWindows
- Free plan
- No
- Paid from
- 4.95 /user/mo
- Secure delivery
- portal
- Recipient verification
- password
- Message expiry
- Yes
- Attachment limit
- 50 MB
RecognisedDocumentedFree planFree trialPlatforms$4.95/mofirst paid tier About MailHippoVisit site - Free plan WindowsmacOSiOSAndroid
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - AndroidiOSWebWindows
- Secure delivery
- portal
- Message expiry
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Windows
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms$2.50/mofirst paid tier About Encryptomatic OpenPGPVisit site - WebWindowsmacOS
- Secure delivery
- attachment
- Recipient verification
- password
- Message expiry
- Yes
- Attachment limit
- 10 MB
RecognisedDocumentedFree planFree trialPlatforms - WebWindowsmacOSiOSAndroid
- Free plan
- No
- Secure delivery
- link
- Recipient verification
- identity
- Message expiry
- Yes
- Attachment limit
- 150 MB
RecognisedDocumentedFree planFree trialPlatforms$119/mofirst paid tier About Virtru Email EncryptionVisit site - Windows
- Free plan
- Yes
- Secure delivery
- attachment
- Recipient verification
- identity
RecognisedDocumentedFree planFree trialPlatforms - WebWindowsmacOS
- Secure delivery
- portal
- Message expiry
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Windows
- Free plan
- Yes
- Secure delivery
- attachment
- Recipient verification
- password
RecognisedDocumentedFree planFree trialPlatforms$79.99/mofirst paid tier About PDF PostmanVisit site - Web
- Secure delivery
- link
- Recipient verification
- password
- Message expiry
- Yes
RecognisedDocumentedFree planFree trialPlatforms -
- Free plan
- Yes
- Secure delivery
- portal
- Recipient verification
- identity
- Message expiry
- Yes
- Attachment limit
- 50 MB
RecognisedDocumentedFree planFree trialPlatforms - WebLinux
- Free plan
- Yes
- Secure delivery
- link
- Message expiry
- Yes
RecognisedDocumentedFree planFree trialPlatforms - apiself-hostedWebWindows
- Free plan
- No
RecognisedDocumentedFree planFree trialPlatforms$119/mofirst paid tier About Virtru Data Security PlatformVisit site -
- Recipient verification
- password
- Message expiry
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Free plan
- No
- Secure delivery
- portal
- Recipient verification
- password
- Message expiry
- Yes
- Attachment limit
- 10,240 MB
RecognisedDocumentedFree planFree trialPlatforms€0.42/mofirst paid tier About Cryptshare.expressVisit site -
- Secure delivery
- portal
- Recipient verification
- password
- Message expiry
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Free plan
- No
- Secure delivery
- link
- Recipient verification
- password
- Message expiry
- No
- Attachment limit
- 150 MB
RecognisedDocumentedFree planFree trialPlatforms$29/mofirst paid tier About Paubox Email EncryptionVisit site - Web
- Free plan
- No
- Paid from
- 2.4 /user/mo
RecognisedDocumentedFree planFree trialPlatforms$2.40/mofirst paid tier About KnowBe4Visit site - LinuxmacOSWindows
- Recipient verification
- password
- Message expiry
- Yes
RecognisedDocumentedFree planFree trialPlatforms
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which email encryption software is ranked first on The Geeks Club?
Lockbin is ranked #1 of 28 with a score of 7.9. gpg4o is second and DataMotion Secure Email Exchange third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Cryptshare.express has the lowest first paid tier we found: €0.42/mo.
How is this list ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on. Paid placements never change a rank.