Verifiable proof of email delivery

HIPAA Compliant Email: What Healthcare Teams Need to Know Before Sending Patient Data

July 07, 2026 / in Blog / by Zafar Khan, RPost CEO

Use Email for PHI When the Right Safeguards, Controls, and Audit Trails Are in Place.

The majority of healthcare teams are exchanging sensitive protected health information (PHI) via email with patients, insurers, labs, billing teams, attorneys, and care partners. The very nature of the exchange makes it a risky proposition.

Court Admissible and Verifiable Proof of Email Delivery with RMail

November 16, 2017 / in Blog / by Zafar Khan, RPost CEO

The Certified Mail Envelope Was Empty You show up in court with a US Certified Mail “Green Card” delivery receipt, evidence that supposedly proves you delivered a timely notice. The other party simply stands up and says quizzically, “Sure we got the certified letter, but no one in our office could figure out why we […]