PhishFlagger™

The Email Phishing Solution

Client Applications

Secure your email client applications with the PhishFlagger™ Client Email Applications license. Designed to be integrated into email clients and apps of all types, Leverage PhishFlagger™ email numbering to help prevent email phishing and fraud.


Obtain a PhishFlagger™ Client Email Applications license to help secure your end-user applications from email phishing and fraud.

Email Client Applications licencing can help secure all email clients with PhishFlagger™ email numbering:


  • PhishFlagger™ email numbering can be read in email clients to help prevent email phishing and fraud

  • Designed to protect email client applications.

  • PhishFlagger™ email numbering can be integrated into most industry-standard designs for email client applications, as well as proprietary, custom, and special-use client apps

  • Use baked-in email security in your email client apps to help prevent phishing and other email fraud

  • You will receive a copy of the PhishFlagger™ Compliance Guide

    • Suitable for all dev and ops environments

    • Get all the resources required to understand and implement email numbering for safety and fraud prevention

    • Learn how to protect email recipients using your apps

    • Learn how to implement PhishFlagger™ email flagging to help alert users to potential phishing attempts and other email scams

  • Book a meeting with a member of our team to explore your opportunities

Licensees must be capable of implementing the Protocol into their Applications

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Frequently asked questions

Why PhishFlagger™?

Phishing scams and fraudulent emails hurt everybody. Today it is still far too easy to open an email that looks legitimate on the surface but hides malicious risks inside. For bulk email senders (banks, insurance companies, financial institutions, and businesses that regularly send emails to customers), getting people to open their emails is critical to sales and extending the lifetime value of a customer. PhishFlagger™ email numbering is a patented, licensable email safeguard to help prevent your email contacts from phishing and fraud. PhishFlagger™ prevents your contacts from being fooled by fraudulent emails that may be claiming or even appearing to be from you. With PhishFlagger™ email numbering, you can give your clients confidence that emails they receive from you are authentic and safe to open. Help protect your customer base from phishing and assure them that you take their privacy and safety seriously.

What is PhishFlagger™ email numbering?

How does PhishFlagger™ email numbering work?

How do outgoing emails get numbered?

What are some other benefits of PhishFlagger™ email numbering?

How does PhishFlagger™ help keep my email contacts safe from email phishing and fraud?