Best Software for 2025 is now live!

The Top 20 Email Anti-spam Software

Check out this list of the top Email Anti-spam Software products based on user satisfaction. A product's satisfaction score is calculated by a proprietary algorithm that factors in real-user satisfaction ratings from review data. Software buyers can compare products according to their satisfaction scores to streamline the buying process and quickly identify the best products based on the experiences of their peers.

Filters

Collapse AllExpand All

G2 Satisfaction Score

Compare

Microsoft Defender for Office 365

100

Overall Satisfaction Score

100

Top Industries of Reviewers:

Information Technology and Services

47%

Computer Software

23%

Computer & Network Security

20%

Financial Services

11%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.0

Meets Requirements

Average: 9.4

9.1

Ease of Doing Business With

Average: 9.4

8.8

Ease of Setup

Average: 9.2

8.8

Quality of Support

Average: 9.4

8.9

Ease of Admin

Average: 9.3

9.0

Proofpoint Email Security and Protection

Overall Satisfaction Score

Top Industries of Reviewers:

Financial Services

30%

Hospital & Health Care

28%

Information Technology and Services

25%

Banking

16%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

8.7

Meets Requirements

Average: 9.4

9.5

Ease of Doing Business With

Average: 9.4

9.5

Ease of Setup

Average: 9.2

8.6

Quality of Support

Average: 9.4

8.9

Ease of Admin

Average: 9.3

8.6

Barracuda Impersonation Protection

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

32%

Higher Education

25%

Manufacturing

25%

Hospital & Health Care

18%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.1

Meets Requirements

Average: 9.4

9.1

Ease of Doing Business With

Average: 9.4

9.3

Ease of Setup

Average: 9.2

9.3

Quality of Support

Average: 9.4

9.3

Ease of Admin

Average: 9.3

9.3

SaneBox

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

30%

Computer Software

25%

Marketing and Advertising

25%

Management Consulting

20%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.8

Meets Requirements

Average: 9.4

9.9

Ease of Doing Business With

Average: 9.4

9.9

Ease of Setup

Average: 9.2

10.0

Quality of Support

Average: 9.4

9.9

Ease of Admin

Average: 9.3

9.9

SlashNext Integrated Cloud Email Security

Overall Satisfaction Score

Top Industries of Reviewers:

Civil Engineering

30%

Computer & Network Security

30%

Computer Software

20%

Telecommunications

20%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.9

Meets Requirements

Average: 9.4

9.8

Ease of Doing Business With

Average: 9.4

10.0

Ease of Setup

Average: 9.2

9.9

Quality of Support

Average: 9.4

10.0

Ease of Admin

Average: 9.3

9.5

Graphus

Overall Satisfaction Score

Top Industries of Reviewers:

Computer & Network Security

38%

Information Technology and Services

29%

Manufacturing

19%

Logistics and Supply Chain

14%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.2

Meets Requirements

Average: 9.4

9.3

Ease of Doing Business With

Average: 9.4

9.2

Ease of Setup

Average: 9.2

9.2

Quality of Support

Average: 9.4

9.2

Ease of Admin

Average: 9.3

9.2

Libraesva Email Security

Overall Satisfaction Score

Top Industries of Reviewers:

Manufacturing

33%

Primary/Secondary Education

22%

Computer & Network Security

22%

Computer Software

22%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.4

Meets Requirements

Average: 9.4

9.8

Ease of Doing Business With

Average: 9.4

9.7

Ease of Setup

Average: 9.2

9.2

Quality of Support

Average: 9.4

9.8

Ease of Admin

Average: 9.3

9.4

Cloudflare SSE & SASE Platform

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

36%

Financial Services

27%

Electrical/Electronic Manufacturing

18%

Industrial Automation

18%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.8

Meets Requirements

Average: 9.4

9.7

Ease of Doing Business With

Average: 9.4

9.9

Ease of Setup

Average: 9.2

9.2

Quality of Support

Average: 9.4

9.8

Ease of Admin

Average: 9.3

9.3

Check Point Anti-Spam & Email Security

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

46%

Financial Services

31%

Banking

15%

Construction

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.9

Meets Requirements

Average: 9.4

9.9

Ease of Doing Business With

Average: 9.4

8.7

Ease of Setup

Average: 9.2

10.0

Quality of Support

Average: 9.4

9.5

Ease of Admin

Average: 9.3

10.0

#10

Security Gateway

Overall Satisfaction Score

Top Industries of Reviewers:

Accounting

27%

Information Technology and Services

27%

Computer & Network Security

27%

Computer Software

18%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.7

Meets Requirements

Average: 9.4

9.7

Ease of Doing Business With

Average: 9.4

9.6

Ease of Setup

Average: 9.2

9.2

Quality of Support

Average: 9.4

9.6

Ease of Admin

Average: 9.3

9.5

#11

IRONSCALES

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

36%

Manufacturing

27%

Computer & Network Security

18%

Construction

18%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.7

Meets Requirements

Average: 9.4

9.3

Ease of Doing Business With

Average: 9.4

9.6

Ease of Setup

Average: 9.2

9.4

Quality of Support

Average: 9.4

8.9

Ease of Admin

Average: 9.3

9.5

#12

Phish Protection by DuoCircle

Overall Satisfaction Score

Top Industries of Reviewers:

Computer & Network Security

38%

Information Technology and Services

31%

Health, Wellness and Fitness

15%

Government Administration

15%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.4

Meets Requirements

Average: 9.4

9.7

Ease of Doing Business With

Average: 9.4

9.9

Ease of Setup

Average: 9.2

9.5

Quality of Support

Average: 9.4

9.7

Ease of Admin

Average: 9.3

9.4

#13

INKY Email Security Platform

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

60%

Human Resources

20%

Computer Networking

10%

Computer Software

10%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.2

Meets Requirements

Average: 9.4

9.2

Ease of Doing Business With

Average: 9.4

9.6

Ease of Setup

Average: 9.2

9.5

Quality of Support

Average: 9.4

10.0

Ease of Admin

Average: 9.3

9.3

#14

Avanan Cloud Email Security

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

47%

Financial Services

21%

Computer Software

18%

Computer & Network Security

14%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

8.8

Meets Requirements

Average: 9.4

9.2

Ease of Doing Business With

Average: 9.4

9.2

Ease of Setup

Average: 9.2

8.7

Quality of Support

Average: 9.4

8.6

Ease of Admin

Average: 9.3

9.4

#15

Intermedia Exchange Email

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

45%

Computer Software

18%

Construction

18%

Non-Profit Organization Management

18%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.5

Meets Requirements

Average: 9.4

8.9

Ease of Doing Business With

Average: 9.4

9.0

Ease of Setup

Average: 9.2

9.3

Quality of Support

Average: 9.4

9.5

Ease of Admin

Average: 9.3

9.7

#16

Abnormal Security

Overall Satisfaction Score

Top Industries of Reviewers:

Non-Profit Organization Management

30%

Automotive

30%

Entertainment

20%

Construction

20%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.4

Meets Requirements

Average: 9.4

8.5

Ease of Doing Business With

Average: 9.4

9.1

Ease of Setup

Average: 9.2

9.7

Quality of Support

Average: 9.4

9.6

Ease of Admin

Average: 9.3

9.7

#17

Valimail

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

56%

Non-Profit Organization Management

16%

Real Estate

16%

Marketing and Advertising

12%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.0

Meets Requirements

Average: 9.4

9.1

Ease of Doing Business With

Average: 9.4

8.7

Ease of Setup

Average: 9.2

9.1

Quality of Support

Average: 9.4

9.1

Ease of Admin

Average: 9.3

8.6

#18

Proofpoint Essentials for Small Business

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

45%

Non-Profit Organization Management

27%

Mechanical or Industrial Engineering

18%

Construction

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.2

Meets Requirements

Average: 9.4

9.3

Ease of Doing Business With

Average: 9.4

9.5

Ease of Setup

Average: 9.2

9.2

Quality of Support

Average: 9.4

9.1

Ease of Admin

Average: 9.3

9.3

#19

Heimdal®

Overall Satisfaction Score

Top Industries of Reviewers:

Hospital & Health Care

29%

Construction

29%

Government Administration

29%

Computer & Network Security

14%

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.0

Meets Requirements

Average: 9.4

9.3

Ease of Doing Business With

Average: 9.4

9.6

Ease of Setup

Average: 9.2

7.9

Quality of Support

Average: 9.4

9.7

Ease of Admin

Average: 9.3

9.2

#20

Vade

Overall Satisfaction Score

Top Industries of Reviewers:

Information Technology and Services

48%

Computer & Network Security

40%

Computer Networking

Hospital & Health Care

Ratings from Reviews (out of 10):

Ease of Use

Average: 9.3

9.4

Meets Requirements

Average: 9.4

9.0

Ease of Doing Business With

Average: 9.4

8.6

Ease of Setup

Average: 9.2

9.1

Quality of Support

Average: 9.4

8.9

Ease of Admin

Average: 9.3

8.8