stars 1 stars 2 stars 3

Postbox is the power email app that helps you work faster, save time, and get more done. It has the ease of use and simplicity of Apple Mail, but with more power and features to handle the most demanding workloads. Postbox has all the tools you need to tackle the busy inboxes. With intuitive search views, macros for common actions, fast tagging, and a full suite of keyboard shortcuts, you’ll conquer mountains of messages with speed, simplicity, and ease. Our pro-class composition tools will help you create more engaging emails in less time. Add pre-canned responses, stylish content blocks, or professionally designed signatures with just a few clicks, or send large files fast through sharable links from Dropbox, OneDrive and Box. Customize Postbox to work the way you do. Fully control the Postbox interface and feature set, or extend Postbox’s functionality through 3rd-party Labs projects such as OpenPGP encryption and Import & Export Tools. All of Postbox’s features are presented within a clean, crisp interface that’s drop-dead gorgeous and a delight to use. We also include 24 elegant themes to choose from across light and dark modes. At Postbox, your privacy is paramount. We do not read or store your emails or passwords, or implement features that invade your privacy, or serve you ads, or share your information with 3rd parties. Take advantage of our free 30-day trial to experience how Postbox can make your work life easier and more productive. For macOS and Windows.

Website https://www.postbox-inc.com
Revenue $6.2 million
Employees 6 (2 on RocketReach)
Founded 2007
Address 809 Laurel Street # 999, San Carlos, California 94070, US
Phone (415) 929-7727
Technologies
Industry Software Development, Software General, Software, Email, Desktop E-Mail And Communications, Information Technology, Internet Services, Messaging and Telecommunications
Web Rank 281071
Web Visits 182530
Keywords Email Client, Email Application, Email Productivity, Email Management, Email Software, Email Tools, Professional Email
Competitors Microsoft, Google, Apple, Zoho, ProtonTechnologies, Zimbra, eM Client, Mailbird, Fastmail, Thunderbird Project +34 more (view full list)
SIC SIC Code 73 Companies, SIC Code 737 Companies
NAICS NAICS Code 9999 Companies, NAICS Code 99 Companies, NAICS Code 99999 Companies, NAICS Code 51 Companies, NAICS Code 513 Companies, NAICS Code 999999 Companies, NAICS Code 999 Companies

Postbox Questions

The Postbox annual revenue was $6.2 million in 2026.

2 people are employed at Postbox.

Postbox is based in San Carlos, California.

The NAICS codes for Postbox are [9999, 99, 99999, 51, 513, 999999, 999].

The SIC codes for Postbox are [73, 737].

Top Postbox Employees

Learn More
How It Works
get free account
Get a Free Account
Sign up for a free account. No credit card required. Up to 5 free lookups.
search page
Search the #1 Contact Database
Get contact details of over 700M profiles across 60M companies – all with industry-leading accuracy. Sales and Recruiter users, try out our Email Finder Extension.
get contact page
Use our AI-Powered Email Finder
Find business and personal emails and mobile phone numbers with exclusive coverage across niche job titles, industries, and more for unparalleled targeting. Also available via our Contact Data API.
G2 Leader Winter 2026 G2 Leader Mid Market Winter 2026 G2 Leader Small Business Winter 2026 G2 Most Implementable Winter 2026 G2 Best Est ROI Mid Market Winter 2026 G2 Leader Momentum Winter 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2025
g2crowd
G2Crowd Trusted
chromestore
300K+ Plugin Users