Skip to main content

Keyfactor EJBCA vs Paubox: Which Cybersecurity Is Better in 2026?

Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.

Leads 4/9
Rating
,
Reviews
0
From
Free

in Cybersecurity

Rating
,
Reviews
0
From
Custom

in Cybersecurity

The Short Answer

Keyfactor EJBCA vs Paubox, in 15 seconds

Choose Keyfactor EJBCA if…

  • You want the lower entry price
  • You need a genuinely free plan
  • You want deeper AI and automation features
  • You need the broader feature set

Choose Paubox if…

  • You want to trial before paying
  • You depend on a broad integration ecosystem
  • You have strict security & compliance needs

Head-to-Head Scorecard

How Keyfactor EJBCA and Paubox score

Keyfactor EJBCA leads on 4 of 9 measured dimensions.

  • Customer Rating

    Average score from verified user reviews

    Even
    Keyfactor
    No reviews
    Paubox
    No reviews
  • Review Volume

    Number of verified reviews, a proxy for adoption

    Even
    Keyfactor
    0
    Paubox
    0
  • Entry Pricing

    Lowest published starting price (free plan = lowest)

    Keyfactor EJBCA
    Keyfactor
    Free
    Paubox
    Custom
  • Free Access

    Availability of a free plan and/or free trial

    Even
    Keyfactor
    Free plan
    Paubox
    Free trial
  • Integrations

    Number of listed third-party integrations

    Paubox
    Keyfactor
    0
    Paubox
    3
  • Features

    Number of listed product capabilities

    Keyfactor EJBCA
    Keyfactor
    7
    Paubox
    6
  • AI Features

    Capabilities mentioning AI, automation or ML

    Keyfactor EJBCA
    Keyfactor
    1
    Paubox
    ,
  • Security & Compliance

    Number of listed compliance certifications

    Paubox
    Keyfactor
    2
    Paubox
    3
  • Platforms & Deployment

    Supported platforms and deployment options

    Keyfactor EJBCA
    Keyfactor
    6
    Paubox
    3

Feature Comparison

Keyfactor EJBCA vs Paubox feature breakdown

Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.

Keyfactor EJBCA
Paubox
Overview
User rating
,
,
Pricing model
FREEMIUM
SUBSCRIPTION
Starting price
Free
Custom
Free version
Free trial
Features
Key capabilities
Private certificate authorityCertificate issuance and managementPKI as a ServiceCertificate lifecycle automationCryptographic inventorySecure code signing+1
HIPAA-compliant email encryptionSeamless inbox deliveryInbound threat protectionEmail archivingData loss preventionBAA included
AI features
Certificate lifecycle automation
,
Integrations & API
Integrations
,
Google WorkspaceMicrosoft 365Exchange
Public API
Platforms
Deployment
CloudOn-premise
Cloud
Platforms
WebLinuxWindowsAPI
WebAPI
Mobile support
Security & Compliance
Compliance
FedRAMP ModerateSOC 2 Type II
HIPAAHITRUSTSOC 2 Type II
Vendor
Company
,
,
Verified
Founded
,
2015
Headquarters
,
San Francisco, California, USA

Pricing Comparison

Keyfactor EJBCA vs Paubox pricing

Entry pricing, plan tiers and the cost factors that shape total cost of ownership.

Keyfactor EJBCA

Free to start
CommunityFree
  • Open source EJBCA Community edition
  • Self-managed
EnterpriseCustom
  • EJBCA Enterprise or PKI as a Service
  • Pricing on request

Paubox

Custom to start
StandardCustom
  • Automatic encryption
  • Inbox delivery
  • Works with Google & Microsoft
  • BAA included
PlusCustom
  • AI threat protection
  • Inbound security
  • All Standard features
  • 14-day trial
PremiumCustom
  • Email archiving
  • Data loss prevention
  • All Plus features
  • Priority support

Total cost of ownership factors

Free planKeyfactor Paubox
Free trial to evaluateKeyfactor Paubox
Transparent published pricingKeyfactor Paubox
Public API (build vs. buy add-ons)Keyfactor Paubox

Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.

Pros & Cons

Keyfactor EJBCA vs Paubox: strengths and trade-offs

Keyfactor EJBCA

Pros

  • Free plan available
  • Compliance: FedRAMP Moderate, SOC 2 Type II
  • Stronger AI / automation features
  • Public API available

Cons

  • Fewer native integrations than the alternative

Paubox

Pros

  • Free trial offered
  • Broad integration ecosystem (3)
  • Compliance: HIPAA, HITRUST, SOC 2 Type II
  • Public API available

Cons

  • No free plan
  • Pricing is quote-based (less transparent)

Buyer Fit

Who should use Keyfactor EJBCA vs Paubox?

Startups

Keyfactor EJBCA

Keyfactor EJBCA keeps early-stage costs lowest with its entry tier.

Small businesses

Keyfactor EJBCA

Keyfactor EJBCA offers the most accessible pricing for lean teams.

Agencies

Paubox

Paubox connects to more tools for multi-client workflows.

Enterprises

Paubox

Paubox leads on compliance and breadth for complex needs.

Ecommerce

Paubox

Paubox integrates with more of the commerce stack.

SaaS companies

Keyfactor EJBCA

Keyfactor EJBCA is the more developer- and automation-friendly choice.

Integration overlap

Only in Keyfactor EJBCA (0)

Only in Paubox (3)

Google WorkspaceMicrosoft 365Exchange

Keep Exploring

Other alternatives worth considering

Similar cybersecurity products buyers compare alongside Keyfactor EJBCA and Paubox.

Ask SIA which solution fits your business

SIA, Saaskart's AI buying assistant, weighs Keyfactor EJBCA and Paubox against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.

Get a personalised recommendation

Keyfactor EJBCA vs Paubox, Frequently Asked Questions

What is the difference between Keyfactor EJBCA and Paubox?

Keyfactor EJBCA and Paubox are both Cybersecurity solutions. Keyfactor EJBCA is rated 0.0/5 by 0 users, while Paubox is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.

Which is better, Keyfactor EJBCA or Paubox?

Based on user ratings, Keyfactor EJBCA scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.

Which is cheaper, Keyfactor EJBCA or Paubox?

Keyfactor EJBCA is the more affordable option with a free plan available.

Does Keyfactor EJBCA or Paubox have a free plan?

Keyfactor EJBCA offers a free plan. Paubox does not have a free tier but does offer a free trial.

Can I switch from Keyfactor EJBCA to Paubox?

Switching between Keyfactor EJBCA and Paubox is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.

Who should use Keyfactor EJBCA vs Paubox?

Keyfactor EJBCA is best suited for teams that prioritise enterprise features. Paubox works well for teams needing advanced capabilities.

Our Verdict

The bottom line on Keyfactor EJBCA vs Paubox

Best Overall

Either

It's a tie balances user satisfaction and proven adoption.

Best for Startups

Keyfactor EJBCA

Keyfactor EJBCA has the friendliest entry point for new teams.

Best for Enterprise

Paubox

Paubox leads on compliance and feature breadth.

Best Value

Keyfactor EJBCA

Keyfactor EJBCA delivers the lowest cost to get started.

Best AI Features

Keyfactor EJBCA

Keyfactor EJBCA ships more AI and automation.

Highest Rated

Either

Both earn equal user ratings.

Ready to decide between Keyfactor EJBCA and Paubox?

Get a recommendation

Not sure which to choose?

Tell us your requirements and our advisors will help you compare and shortlist the best-fit options, free and unbiased.

  • A real human, fast

    Someone on our team replies within one business day, no bots, no ticket queue.

  • Routed to the right team

    Buying, selling, partnering, or investing, you reach the people who can actually help.

  • Independent & unbiased

    No pushy sales. Just honest guidance grounded in the ecosystem.

  • Tailored to your context

    Tell us what you need and we shape the next steps around it.

Replies within 1 business day No spam, ever Free to reach out
  1. 1You
  2. 2Details
  3. 3Contact

Who are you? Pick the option that fits best.