Paubox Is G2’s Highest-Rated Email Encryption and HIPAA Compliant Messaging Software for Fall 2026

Paubox holds the highest customer satisfaction score on G2 in email encryption, at 99 out of 100, and in HIPAA compliant messaging, at 100 out of 100. In G2’s Fall 2026 Reports, published this month, Paubox ranked first in 49 of the 127 reports and earned 120 badges across nine software categories.

Paubox holds a 4.95 out of 5 rating from 633 customer reviews.

G2 builds its quarterly reports from verified user reviews rather than analyst opinion, and scores products on customer satisfaction and market presence. Paubox holds a 4.95 out of 5 rating from 633 customer reviews.

Email encryption is where Paubox scores highest with customers. In Fall 2026 it ranked #1 in nine of the category’s 17 reports and earned 13 badges, including first place in the Usability, Results, and Relationship indexes and on the Small-Business Grid Report.

In HIPAA compliant messaging, Paubox ranked #1 in five of 16 reports and earned 10 badges, taking first place on the Momentum Grid Report and in the Usability, Results, and Implementation indexes. Paubox is again ranked first for customer satisfaction in the category.

Paubox faced the largest competitive fields on G2 in the Email Security category, at 57 to 86 solutions per report. It ranked first in three of the category’s five reports, leading on usability, results, and customer relationship.

Paubox also ranked first in 10 of 16 Secure Email Gateway reports, 10 of 21 Cloud Email Security reports, and nine of 15 Email Archiving reports. Across all nine categories it improved its ranking in 21 reports this season, four of them to first place, and held its position in 77 others.

25 seasons on top

Fall 2026 is the 25th consecutive G2 season in which Paubox has held a #1 ranking, a run going back to Fall 2020. Paubox has scored 4.9 out of 5 or higher in every one of those seasons while its review base grew from 83 reviews to 633, and its coverage widened from two G2 categories to nine.