Validity Acquires Litmus

DigiCert Acquires Valimail

September 16, 2025

Cybersecurity

DigiCert announced the acquisition of Valimail, a zero trust email authentication provider delivered as a service. The deal is intended to expand DigiCert ONE with zero trust email authentication capabilities, strengthening protection against phishing and spoofing.

Validity Acquires MailCharts

April 7, 2022

Marketing & Advertising

Validity, a provider of data quality and email marketing solutions, has acquired MailCharts, a campaign-planning platform for ecommerce marketing teams. The acquisition will keep MailCharts as a standalone product while integrating its competitive email intelligence into Validity's Everest platform to expand email marketing and deliverability capabilities for customers.

Emailable Acquires DataValidation

July 15, 2021

Cloud & SaaS

Emailable, an email deliverability solutions provider, has acquired DataValidation, a long-running email verification and validation service trusted by more than 170,000 customers. Emailable said it will consolidate infrastructure and platforms to offer combined email validation and deliverability capabilities and accelerate growth; DataValidation's CEO Mike Marian will remain on as an advisor.

Pathwire Acquires Email on Acid

June 9, 2021

Cloud & SaaS

Pathwire has acquired Email on Acid to add industry-leading pre-deployment email testing and optimization tools to its email API and marketing product suite. The acquisition expands Pathwire’s end-to-end email capabilities, enabling customers of Mailgun and Mailjet to access instant email testing, content checks, and analytics as part of a more comprehensive ESP offering.

Validity Acquires Email Analytics Provider 250ok

February 27, 2020

Marketing & Advertising

Validity entered into a definitive agreement to acquire email analytics and deliverability provider 250ok, expanding Validity’s email optimization and deliverability capabilities. The acquisition brings 250ok’s deliverability, engagement analytics, DMARC, design previews and list validation tools into Validity’s portfolio to strengthen its email offering for enterprise marketers.

Providence Strategic Growth and Silversmith Capital Invest in Validity

May 31, 2019

Cloud & SaaS

Providence Strategic Growth (PSG) led a growth equity investment in Validity, with existing investor Silversmith Capital Partners also participating; financial terms were not disclosed. The funding will accelerate Validity’s go-to-market expansion, product development, and inorganic growth — the announcement also notes Validity has completed the acquisition of Return Path to broaden its email deliverability capabilities.