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Alternatives · 2026

The best Symantec PGP Gateway Email Encryption alternatives

The rest of Best Email Encryption Software, in this site's order: each with what it costs, where it runs and its record score.

1 AndroidiPhone & iPadWeb+2 $29.99 a year Record6.4 Visit
2
Virtru Email Encryption

Virtru Email Encryption may suit individuals or teams seeking protected email delivery across desktop and mobile platforms.

AndroidiPhone & iPadWeb+5 $119 a month, billed yearly Record6.1 Visit
3
Lockbin

Lockbin may suit medical, dental, CPA, finance, and government organizations that handle sensitive information.

WebWindowsMac+1 $10 a month Record5.8 Visit
4
Virtru Data Security Platform

Virtru suits organizations protecting shared data across email, files, applications, and partner environments.

AndroidiPhone & iPadWeb+6 $119 a month, billed yearly Record5.7 Visit
5 iPhone & iPadWebWindows+2 $15 a month Record5.6 Visit
6
gpg4o

It suits Outlook users on Windows who need OpenPGP encryption, signing, or message checking.

Windows €9,995 one-time Record5.5 Visit
7
PDF Postman

PDF Postman suits Windows Outlook users who need password-protected PDF delivery and attachment encryption.

Windows $69.99 one-time Record5.5 Visit
8
Encryptomatic OpenPGP

It suits Windows users who need OpenPGP encryption with Classic Outlook, including eligible personal users and organizations.

Windows $29.99 a year Record5.2 Visit
9
Secure Message

Secure Message fits healthcare, finance, legal, MSP, internal IT, and compliance-focused organizations needing self-hosted mail filtering and…

WebLinuxSelf-hosted $690 a year Record5.2 Visit
10 AndroidiPhone & iPadWeb+1 Free plan Record5.1 Visit
11
MailHippo

MailHippo suits healthcare providers, administrators, counselors, business associates, and other covered entities sending protected patient…

WebWindowsAPI $4.95 a month Record5.1 Visit
12
Microsoft Exchange Online

It suits businesses needing hosted email, calendars, contacts, administration, and compliance controls across major devices.

AndroidiPhone & iPadWeb+2 $4 a month, billed yearly Record5.0 Visit
13 Mac €24 one-time Record4.8 Visit
14
Mailvelope

Mailvelope may suit individuals who want PGP encryption with supported webmail, or organizations seeking business integrations and email support…

WebBrowser extension €3 a month Record4.8 Visit
15
Mimecast Secure Messaging

Secure Messaging suits organizations sending sensitive information to colleagues or partners by email.

AndroidiPhone & iPadWeb+2 — Record4.6 Visit
16
Proofpoint Email DLP and Encryption

It is for organizations seeking policy-based protection for sensitive business email and attachments.

AndroidiPhone & iPadWeb+1 — Record4.4 Visit
17
c.Email

It suits people who want to add encrypted email and verified sending while keeping a Gmail or Outlook address.

Browser extension Free plan Record4.3 Visit
18
FlowCrypt

FlowCrypt suits individuals or organizations that need encrypted email for OpenPGP users or password-protected messages for other recipients.

Browser extension Free plan Record4.3 Visit
19 Windows Free plan Record4.3 Visit
20 WebWindowsMac+3 — Record4.2 Visit
21
Sophos Secure Message

Organizations seeking cloud email threat defense, encryption, data-loss prevention, and user-awareness capabilities.

Web — Record4.0 Visit
22
Trustifi Outbound Shield

Trustifi describes Outbound Shield for small and mid-size businesses, managed service providers, and regulated organizations such as legal,…

WebWindowsMac+2 — Record4.0 Visit
23 Web — Record3.7 Visit
24
OpenText Core Email Message Privacy

OpenText describes the product as intended for managed service providers protecting small and medium-sized businesses.

Web — Record3.7 Visit