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Clearswift SECURE Email Gateway Logo

Computer security and secure email gateway software

Last updated: March 2026

Clearswift SECURE Email Gateway Alternatives & Competitors (2026)

Top 6 free alternatives

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Features


Pricing model


Devices supported


User rating


Organization types


Integrated with


Industry


Company size


Libraesva Email Security logo

Exceptional Email Security

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Libraesva Email Security
logo
Clearswift SECURE Email Gateway

1.9

4.9

Value for money

3.0
5
flat rate/per year

Starting price

20
flat rate/per year

1.8

4.8

Functionality

3.0

Anomaly/Malware Detection

4.7/5

Access Controls/Permissions

N/A

Active Directory Integration

N/A

Top Features

Anti Spam

N/A

Anti Virus

N/A

Audit Trail

N/A

ContentCatcher logo

Cloud-based email security, phishing protection & anti-spam

visit website
logo
ContentCatcher
logo
Clearswift SECURE Email Gateway

1.8

4.8

Value for money

3.0
1.5
per feature/per month

Starting price

20
flat rate/per year

1.8

4.8

Functionality

3.0

Access Controls/Permissions

N/A

Active Directory Integration

N/A

Allow/Block List

N/A

Top Features

Audit Trail

N/A

Authentication

N/A

Data Security

N/A

Zoho Mail logo

Zoho Mail is a secure, encrypted, and enterprise-ready email

learn more
logo
Zoho Mail
logo
Clearswift SECURE Email Gateway

1.6

4.6

Value for money

3.0
1
per user/per month

Starting price

20
flat rate/per year

1.5

4.5

Functionality

3.0

Authentication

5/5

Autoresponders

4.6/5

Email Management

4.6/5

Top Features

Anti Spam

N/A

Anti Virus

N/A

Audit Trail

N/A

SpamTitan logo

Anti-spam filter for business email. Vital email security.

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logo
SpamTitan
logo
Clearswift SECURE Email Gateway

1.5

4.5

Value for money

3.0
1.26
per user/per month

Starting price

20
flat rate/per year

1.4

4.4

Functionality

3.0

Allow/Block List

4.5/5

Activity Dashboard

4.5/5

Access Controls/Permissions

4/5

Top Features

Anti Virus

N/A

Audit Trail

N/A

Authentication

N/A

SMTP2GO logo

Fast, reliable mail delivery and management solution

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SMTP2GO
logo
Clearswift SECURE Email Gateway

1.7

4.7

Value for money

3.0
15
flat rate/per month

Starting price

20
flat rate/per year

1.6

4.6

Functionality

3.0

Activity Tracking

5/5

Audit Trail

5/5

Activity Dashboard

4.8/5

Top Features

Anti Spam

N/A

Anti Virus

N/A

Authentication

N/A

NeoCertified logo

Secure email for confidential & sensitive documents

learn more
logo
NeoCertified
logo
Clearswift SECURE Email Gateway

1.9

4.9

Value for money

3.0
59
flat rate/per year

Starting price

20
flat rate/per year

1.8

4.8

Functionality

3.0

API

5/5

Archiving & Retention

5/5

Data Security

5/5

Top Features

Anti Spam

N/A

Anti Virus

N/A

Audit Trail

N/A

ALTOSPAM logo

Effectively protect all your company's emails

learn more
logo
ALTOSPAM
logo
Clearswift SECURE Email Gateway

1.6

4.6

Value for money

3.0
9
per user/per year

Starting price

20
flat rate/per year

1.7

4.7

Functionality

3.0

Anti Spam

5/5

Anti Virus

5/5

Allow/Block List

4.6/5

Top Features

Audit Trail

N/A

Authentication

N/A

Compliance Management

N/A

MimeCast Email Security logo

Cloud-based email security and threat intelligence platform

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MimeCast Email Security
logo
Clearswift SECURE Email Gateway

1.2

4.2

Value for money

3.0
Empty state illustration for "No pricing info"

No pricing info

Starting price

20
flat rate/per year

1.3

4.3

Functionality

3.0

Email Attachment Protection

4.9/5

Anomaly/Malware Detection

4.8/5

Archiving & Retention

4.8/5

Top Features

Audit Trail

N/A

Authentication

N/A

Compliance Management

N/A

Mailock logo

Secure emails with encryption and recipient authentication

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logo
Mailock
logo
Clearswift SECURE Email Gateway

1.6

4.6

Value for money

3.0
9.3
per user/per month

Starting price

20
flat rate/per year

1.6

4.6

Functionality

3.0

Authentication

4.7/5

Audit Trail

4.6/5

API

4.3/5

Top Features

Anti Spam

N/A

Anti Virus

N/A

Compliance Management

N/A

Proofpoint Email Protection logo

Secure email gateway management and threat intelligence tool

learn more
logo
Proofpoint Email Protection
logo
Clearswift SECURE Email Gateway

1.1

4.1

Value for money

3.0
Empty state illustration for "No pricing info"

No pricing info

Starting price

20
flat rate/per year

1.3

4.3

Functionality

3.0

Anti Spam

5/5

Anti Virus

4.7/5

Anomaly/Malware Detection

4.5/5

Top Features

Audit Trail

N/A

Authentication

N/A

Compliance Management

N/A

Sealit logo

Full Security - Just 1 Click.

learn more
logo
Sealit
logo
Clearswift SECURE Email Gateway

1.9

4.9

Value for money

3.0
10
per user/per month

Starting price

20
flat rate/per year

1.6

4.6

Functionality

3.0

Access Controls/Permissions

5/5

Activity Dashboard

5/5

Audit Trail

5/5

Top Features

Anti Spam

N/A

Anti Virus

N/A

Compliance Management

N/A

Paubox Email Suite logo

HIPAA-compliant email encryption software

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logo
Paubox Email Suite
logo
Clearswift SECURE Email Gateway

1.9

4.9

Value for money

3.0
29
per feature

Starting price

20
flat rate/per year

1.9

4.9

Functionality

3.0

Access Controls/Permissions

N/A

Activity Dashboard

N/A

AI/Machine Learning

N/A

Top Features

Audit Trail

N/A

Compliance Management

N/A

Data Loss Prevention

N/A

Cisco Secure Email logo

Cloud-based email security tool for preventing cyberattacks

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logo
Cisco Secure Email
logo
Clearswift SECURE Email Gateway

1.4

4.4

Value for money

3.0
Empty state illustration for "No pricing info"

No pricing info

Starting price

20
flat rate/per year

1.5

4.5

Functionality

3.0

Anti Virus

5/5

Email Attachment Protection

5/5

Email Monitoring

5/5

Top Features

Audit Trail

N/A

Authentication

N/A

Data Security

N/A

Trustifi logo

Protect Your Business Emails with AI-Powered Security

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logo
Trustifi
logo
Clearswift SECURE Email Gateway

1.9

4.9

Value for money

3.0
6
flat rate/per month

Starting price

20
flat rate/per year

1.8

4.8

Functionality

3.0

Alerts/Escalation

5/5

Allow/Block List

5/5

Access Controls/Permissions

N/A

Top Features

Anti Virus

N/A

Audit Trail

N/A

Authentication

N/A

Security Gateway by MDaemon logo

Powerful yet flexible email security software.

learn more
logo
Security Gateway by MDaemon
logo
Clearswift SECURE Email Gateway

2.0

5.0

Value for money

3.0
1
per user/per month

Starting price

20
flat rate/per year

1.8

4.8

Functionality

3.0

Allow/Block List

5/5

Allow/Block List

N/A

Archiving & Retention

N/A

Top Features

Audit Trail

N/A

Authentication

N/A

Compliance Management

N/A

SpamHero logo

Saving the world from spam, one domain at a time!

learn more
logo
SpamHero
logo
Clearswift SECURE Email Gateway

1.4

4.4

Value for money

3.0
7
flat rate/per month

Starting price

20
flat rate/per year

1.4

4.4

Functionality

3.0

Allow/Block List

5/5

Archiving & Retention

5/5

Anomaly/Malware Detection

4/5

Top Features

Audit Trail

N/A

Authentication

N/A

Compliance Management

N/A

Secure Exchanges logo

Protect data with point-to-point encrypted email exchange

learn more
logo
Secure Exchanges
logo
Clearswift SECURE Email Gateway

1.6

4.6

Value for money

3.0
0.99
per user/per month

Starting price

20
flat rate/per year

1.8

4.8

Functionality

3.0

Audit Trail

5/5

Authentication

4.7/5

Activity Dashboard

N/A

Top Features

Anti Spam

N/A

Anti Virus

N/A

Compliance Management

N/A

365 Total Protection logo

Email security management for Microsoft Office 365

learn more
logo
365 Total Protection
logo
Clearswift SECURE Email Gateway

1.8

4.8

Value for money

3.0
2
per user/per month

Starting price

20
flat rate/per year

1.3

4.3

Functionality

3.0

Alerts/Notifications

5/5

Activity Dashboard

N/A

Alerts/Notifications

N/A

Top Features

Anti Spam

N/A

Audit Trail

N/A

Authentication

N/A

Sophos Email logo

Software for managing email encryption and secure networks

learn more
logo
Sophos Email
logo
Clearswift SECURE Email Gateway

1.8

4.8

Value for money

3.0
Empty state illustration for "No pricing info"

No pricing info

Starting price

20
flat rate/per year

1.5

4.5

Functionality

3.0

Email Attachment Protection

4.8/5

Access Controls/Permissions

N/A

Activity Dashboard

N/A

Top Features

Audit Trail

N/A

Data Security

N/A

Email Filtering

N/A

Sentry Email Defense Service logo

Cloud-based email protection platform

learn more
logo
Sentry Email Defense Service
logo
Clearswift SECURE Email Gateway

1.0

4.0

Value for money

3.0
1
flat rate/per month

Starting price

20
flat rate/per year

1.0

4.0

Functionality

3.0

Activity Tracking

N/A

Archiving & Retention

N/A

Data Recovery

N/A

Top Features

Audit Trail

N/A

Compliance Management

N/A

Data Security

N/A