Top 10 Fastmail Alternatives 2026
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Fastmail is a Email Encryption Software platform. Teams looking for alternatives typically need better pricing flexibility, easier deployment, or a closer feature fit for their specific use case. Below you'll find 10 vetted Email Encryption Software alternatives ranked by user rating, with filters to narrow by pricing, platform, and features — so you can find the right fit for 2026.
Fastmail vs Top Alternatives at a Glance
Side-by-side comparison of pricing, user rating, and free trial availability to help you decide faster.
| Tool | Best For | Pricing | Rating | Free Option |
|---|---|---|---|---|
| Fastmail Current | Email Encryption Software | Free trial | No reviews | ✓ Yes |
 NeoCertified | Email Encryption Software | $59 | 4.9 ★ | ✓ Yes |
 DMARC Report | Email Encryption Software | $100 | 4.8 ★ | ✓ Yes |
 Encyro | Email Encryption Software | $9.99 | 4.8 ★ | ✓ Yes |
 SenditCertified | Email Encryption Software | $14.50 | 5.0 ★ | ✓ Yes |
 ZixEncrypt | Email Encryption Software | Custom pricing | 4.5 ★ | ✗ No |
Showing 1-10 out of 10
List of the Top Fastmail alternatives as of October 2026
Compare business software, products, and services to find the best solution for your business or organization. Use the filters on the left to drill down by category, pricing, features, market segment, user ratings, and more.
NeoCertified — from $59 · 4.9★
Secure your emails with NeoCertified encryption.
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What is NeoCertified?
NeoCertified is an end-to-end email encryption software on the market. Through a simple installation process, it adds maximum security to communications with friends, family, and business associates. Encrypt email contacts' emails with carbon copy (Cc) or blind carbon copy (Bcc), giving control ...
Read moreWhat reviewers like about NeoCertified
- End-to-end encryption
- Simple installation
- Control over email visibility
Where NeoCertified falls short
- Limited integrations
- May require training for users
- Not suitable for all email clients
Common Features
No common features
Unique Features
-
End-to-End Encryption
-
Encryption
-
Data Security
+ 2 more
Pricing
Free Trial available, Try Now
Starts from $59/User/Year
DMARC Report — from $100 · 4.81★
Secure your emails with DMARC Report.
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What is DMARC Report?
DMARC Reporting, Monitoring and Anti-Spoofing services for MSPs, Service Providers and Businesses. DMARC Report is an all-inclusive solution regardless of the size of your organization. Gain visibility and control over your mail domains for compliance with this comprehensive reporting solution. ...
Read moreWhat reviewers like about DMARC Report
- Comprehensive reporting
- Email monitoring
- Anti-spoofing features
Where DMARC Report falls short
- May require technical knowledge
- Limited to email domains
- Not suitable for small businesses
Common Features
No common features
Unique Features
-
Email Alerts
-
API Access Management
-
Email Verification
+ 4 more
Pricing
Free Trial available, Try Now
Starts from $100/Month, also offers free forever plan
Spotsaas Buyer Intelligence
Own the software buyers are comparing here? See who's weighing you against rivals — and who's comparing your competitors while you're not in the running.
Encyro — from $9.99 · 4.81★
Secure your emails and protect your information.
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What is Encyro?
The Encyro Email Encryption Software is a must have for individuals and small businesses. It scrambles important emails so the government, hackers, spam bots, advertisers, marketers can't see email content. This makes it safe to send confidential information such as bank account numbers, social ...
Read moreWhat reviewers like about Encyro
- Clients can upload sensitive documents without creating passwords, removing a common friction point.
- Portal gives immediate access to documents and secure file sharing.
- Reliable, fast, and easy to use, with responsive customer support.
Where Encyro falls short
- Limited customization and feature options can be challenging for new users without support.
- Marketplace lacks variety in additional apps and connectors for advanced integrations.
- Some users face repeated login prompts due to authentication issues.
Common Features
No common features
Unique Features
-
Encryption
-
End-to-End Encryption
-
Data Security
+ 4 more
Pricing
Free Trial available, Try Now
Starts from $9.99/Month when Billed Yearly, also offers free forever plan
SenditCertified — from $14.50 · 5★
Easily secure and send sensitive files.
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What is SenditCertified?
SenditCertified is a PDF file encryption software that allows to encrypt sensitive documents before emailing them to any destination. The recipient receives the document as an attachment with no special software requirements. With this powerful encryption functionality, user can be sure that ...
Read moreWhat reviewers like about SenditCertified
- Easy document encryption
- No special software for recipients
- Secure PDF attachments
Where SenditCertified falls short
- Limited to PDF files only
- May not support large files
- Dependent on email client compatibility
Common Features
No common features
Unique Features
-
Encryption
-
End-to-End Encryption
-
Document Management
+ 1 more
Pricing
Free Trial available
Starts from $14.50/Month
ZixEncrypt — 4.5★
Secure and effortless email encryption made simple.
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What is ZixEncrypt?
ZixEncrypt is a email encryption software that can encrypt and decrypt emails instantly. It doesn't require any password or registration, only send an email with attachment as usual, that's it. All recipients can simply drag and drop the attachment to decrypt and read private email. The ...
Read moreWhat reviewers like about ZixEncrypt
- Ensures easy encrypted email communication, especially with Google email integration.
- Straightforward installation, customizable for various user needs, meeting security standards expected by clients.
- Excellent customer support, with the product functioning reliably.
Where ZixEncrypt falls short
- Some users may find the interface occasionally janky.
- Limited customizations and advanced integration options.
- Pricing may not be the most budget-friendly option available.
Common Features
No common features
Unique Features
-
Encryption
-
End-to-End Encryption
-
Data Security
Pricing
ZixEncrypt offers custom pricing plan
DataMotion Secure Email — 5★
Secure your emails with ease.
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What is DataMotion Secure Email?
DataMotion Secure Email is a comprehensive, user-friendly solution for exchanging private, regulated emails, messages, and files. The service's FIPS 140-2 compliant encryption, zero-trust design, and easy-to-use interface guarantee organisations improved data security and privacy while adhering ...
Read moreWhat reviewers like about DataMotion Secure Email
- User-friendly encryption
- FIPS compliant
- Zero-trust design
Where DataMotion Secure Email falls short
- Limited to email communication
- May require user training
- Subscription costs can add up
Common Features
No common features
Unique Features
-
Encryption
-
Data Security
-
End-to-End Encryption
Pricing
DataMotion Secure Email offers custom pricing plan
Appriver — 4.39★
Secure your emails with ease.
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What is Appriver?
AppRiver's email encryption and archiving software provides the ability to send and receive encrypted emails with attachments securely over the Internet. These encrypted emails can be sent and received with any compatible mail user agent (MUA) such as Microsoft Outlook, Mozilla Thunderbird, ...
Read moreWhat reviewers like about Appriver
- Effectively catches and quarantines spam emails, offering protection from junk mail.
- Easy setup and maintenance process with easy-to-use controls.
- Good user interface and appearance, making it easy to navigate.
Where Appriver falls short
- Some users find the spam filtering features lacking or not effective.
- Average features and functionality compared to other similar products.
- May require checking quarantine and releasing legit emails manually, which can be time-consuming.
Common Features
No common features
Unique Features
-
Contact Management
-
Calendar Management
-
Document Management
+ 8 more
Pricing
Appriver offers custom pricing plan
Echoworx — 4★
Securely encrypt and sign all your emails.
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What is Echoworx?
Echoworx is email encryption software designed to take advantage of the sendmail program, which is installed on virtually every UNIX system. Echoworx allows to digitally sign and encrypt email so that only the person(s) who have been authorized can read it. This also allows to digitally sign so ...
Read moreWhat reviewers like about Echoworx
- Strong email security features
- Easy integration with UNIX systems
- Digital signing for authenticity
Where Echoworx falls short
- Limited to email encryption
- Requires UNIX knowledge
- May not suit non-technical users
Common Features
No common features
Unique Features
-
Encryption
-
End-to-End Encryption
-
Data Security
Pricing
Echoworx offers custom pricing plan
CTemplar — from $6 · 1★
Secure your emails with end-to-end encryption.
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What is CTemplar?
CTemplate is a powerful, yet simple to use email encryption software. CTemplate allows individuals and companies transmitting information via email to easily encrypt and decrypt their message before sending it. The program uses a file -based process that encrypts data into a CTemplate Encrypted ...
Read moreWhat reviewers like about CTemplar
- File-based encryption
- Easy to use
- Secure transmission
Where CTemplar falls short
- File format may limit compatibility
- Learning curve for new users
- Limited advanced features
Common Features
No common features
Unique Features
-
End-to-End Encryption
-
Encryption
-
Data Security
Pricing
Starts from $6/Month when Billed Yearly, also offers free forever plan
Protonmail — 2.74★
Secure your emails with end-to-end encryption.
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What is Protonmail?
ProtonMail is a secure emailing service based in Geneva, Switzerland, founded in 2013. It ensures user data privacy by employing client-side encryption before content and information is sent to ProtonMail servers. Subscribers can access the service through a webmail client, the Tor network, or ...
Read moreWhat reviewers like about Protonmail
- Strong data privacy features
- User-friendly interface
- Access via multiple platforms
Where Protonmail falls short
- Limited storage for free users
- May lack advanced features
- Dependent on internet access
Common Features
No common features
Unique Features
-
Filtering
-
Data Security
-
Multi-user Support
+ 4 more
How Fastmail competitors stack up
Buyers comparing Fastmail usually weigh it against these 10 email encryption software competitors, starting with NeoCertified, DMARC Report and Encyro. Each is compared against Fastmail on rating, pricing and feature coverage below.
What else works like Fastmail?
Searches for "sites like Fastmail" and "apps like Fastmail" land on the same set of options as "Fastmail alternatives" — the 10 options below cover both, whether you want a like-for-like replacement or something lighter.
Why these Fastmail alternatives made the cut
Comprehensive reporting
Watch for: May require technical knowledge
Clients can upload sensitive documents without creating passwords, removing a common friction point.
Watch for: Limited customization and feature options can be challenging for new users without support.
Easy document encryption
Watch for: Limited to PDF files only
Ensures easy encrypted email communication, especially with Google email integration.
Watch for: Some users may find the interface occasionally janky.
User-friendly encryption
Watch for: Limited to email communication
Effectively catches and quarantines spam emails, offering protection from junk mail.
Watch for: Some users find the spam filtering features lacking or not effective.
Strong email security features
Watch for: Limited to email encryption
File-based encryption
Watch for: File format may limit compatibility
Strong data privacy features
Watch for: Limited storage for free users
The things that matter when replacing Fastmail
A quick data read across all 10 email encryption software alternatives: 6 offer a free tier; and SenditCertified is the highest rated at 5★ across 2 reviews.
How the order works.
Which Fastmail Alternative Is Right for You?
- If you need a free or low-cost option: NeoCertified — offers a free plan or trial suitable for small teams.
- If user satisfaction is your top priority: SenditCertified — holds the highest user rating (5.0★) among Fastmail alternatives.
- If you want a mid-range option: DataMotion Secure Email — sits in the middle of the list by rating and may fit teams with mixed requirements.
Frequently Asked Questions (FAQs)
Stuck on something? We're here to help with all the questions and answers in one place.
The top-rated alternatives to Fastmail for Email Encryption Software are SenditCertified (5.0★), DataMotion Secure Email (5.0★), NeoCertified (4.9★). Compare all 10 alternatives side-by-side above.
When evaluating alternatives to Fastmail, prioritize: Custom domain email, Masked Email aliases, Calendars & contacts, Ad-free, no tracking, Two-factor authentication, transparent pricing, free trial availability, and integrations with tools you already use. Use the filters above to compare by feature, budget, and team size.
For small businesses, the best Email Encryption Software tools are Fastmail, Beeble, Protonmail. Look for affordable per-seat pricing, quick setup (under 1 day), no long-term contracts, and strong onboarding support to reduce time-to-value.
Migration difficulty depends on how deeply Fastmail is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend narrowing to 2–3 options, running a free trial, and checking each vendor's migration guides before committing.
About the reviewer
Rajat Gupta is the founder of Spotsaas. Over the past two years, he has reviewed 2,000+ tools across CRM, HR, AI, and finance — applying hands-on product research and a background in commerce and the CFA program to evaluate software through a business and ROI lens. His goal: help teams make software decisions they won't regret.
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].