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We’re not just securing email and eSigning.

We’re helping government regulators simplify logistics while boosting accountability, by enabling certified e-connections with the businesses they oversee.

And we’ve been doing it with them since 2003.

Registered Email™ Proof for Government Regulators

RMail RSign
RMail & RSign: Main Uses
RMail and RSign run inside Microsoft Outlook, Gmail, and to extend existing messaging sending interfaces for counsel, litigation support, and oversight staff, with eSignatures for settlement agreements and litigation declarations and verifications, and more.
Registered Email™: Main Uses
Providing the highest levels of court acceptable proof of delivery of required or legal electronic versions of traditional notices such as subpoenas, summons, and certified mail information requests.
Popular Features
RMail Registered Email™ services’ Registered Receipt™ email delivery proof record, with its court-admissible Receipt Authentication™ functionality.
Government Authorized Information Technology

Identified as a top choice for messaging and document transaction security, privacy compliance, and functionality by AT&T for more than a decade, RPost services (Registered Email™: RMail, RSign) are offered as part of AT&T Government Authorized Information Technology, General Purpose Commercial Information Technology Equipment, Software and Services, GSA Schedule 70, GSA Contract GS-35F-0249J. RPost has been selected top choice for legal e-delivery proof in the Jeffer Mangels Butler Mitchell LLP authored Converting Legal & Contract Notices from Paper to Electronic Delivery – The Corporate Council Guide.

Watch Carrie Holt’s full panel session at Optimize! FinTech ( click here, starts at minute 11).

Open Quotes

What RPost does is it enables us to technically serve these outside parties by email…We’ve used it in several court cases where the judges have taken the [RMail Registered Email] receipt as legal and formal presentation of the summons to the outside party. We’ve been using it exclusively for the last 10 years…The other thing we’ve been impressed with over the years is the level of support we’ve gotten from RMail…RPost has been awesome in working with us.

Close Quotes
Carrie Holt

Carrie Holt

Branch Chief, Litigation Support Services – Division of Enforcement, United States Securities & Exchange Commission

Features & Benefits

Registered Email™, RMail, and RSign run elegantly inside Microsoft Outlook and Office 365, Gmail,, and may easily be automated using standard mail merge and other email sending automation tools.

All-in-one Messaging Solution for Regulatory and Government Legal Professionals

Regulatory, oversight, enforcement, and litigation related legal professionals know the importance of evidence, confidentiality, and timeliness, as these are mandatory for success in their field. RMail Registered Email™ certified e-delivery proof empowers attorneys, litigation support, investigatory, enforcement and other government professionals with messaging tools that provide legal and court accepted proof of electronic delivery, the ability to send encrypted email privately, and the convenience of shifting important correspondence to email.

  • Send E-Certified Legal Notices, Enforcement Letters, Subpoena, Summons, and more
  • Encrypt Email and Documents Containing Sensitive or Private Information
  • Enable Recipients to Reply Encrypted
  • eSign Client Declarations, Settlements, Resolutions, Non-Disclosure Agreements, and more
  • Serve by Email
  • Send Large Files by Email
  • Retain Centralized Registered Receipt™ Email Evidence

The Power of Proof

When deadlines need to be met or when disputes may arise concerning “who said what when,” or “who received what when,” proof matters. With RMail’s Registered Receipt email record, you’ll get certified evidence of compliance with every RMail message you send, proving delivery, time of delivery, and exact message content. The Registered Receipt™ record provides court-admissible evidence of delivery and is considered an acceptable form of notice as defined by regulators.

Retaining this form of electronic delivery proof is not only faster than relying on postal mail, it can also be much easier. Because the Registered Receipt emails are stored in a dedicated inbox folder, users can easily reference them in the event of a dispute or investigation.

Main Features for Government Regulators

Registered Email™ certified e-delivery tracking and proof provides advanced open and delivery tracking and proof, with timestamped proof of original content legally delivered. It returns to the sender a court-admissible timestamped Registered Receipt email without requiring any action or setting at the recipient level.

Registered Email proof is most popular among litigation support, lawyer, and other government professionals.

File Share One-Time-Box™ — RMail provides more secure file sharing. Senders can easily attach and track up to 1GB of files from Outlook or RMail Web and send them securely to any recipient with encryption and configurable self-purging options (from 1 to 90 days) in a one-time online storage box that eliminates the risk of download recipients being able to see the sender’s cloud storage file structure.

RMail File Sharing is most popular during the investigation and litigation process.

Email encryption automatically delivers email in a unique way to each recipient, creating the simplest user experience for the recipient while also returning auditable proof of privacy and compliance to the sender — going far beyond basic TLS and link-retrieval systems. RMail includes different levels of encryption for when it is important to keep messages private from recipient’s email administrators and others inside their organization.

Certified, Timestamped, Court Admissible Proof of Email Delivery

Peer Reviews

Open Quotes

RPost was the only solution that satisfied all seven legal requirements essential to yield a legally valid and court admissible record with high evidential weight as to the official time a notice was sent, received, and the content of the notice cover and attachments.

Close Quotes

Stanley Gibson

Law Partner at Jeffer Mangels Butler & Mitchell LLP in The Corporate Counsel Guide.

“The RPost services satisfied the evaluation requirements with a score that was more than double the score of the closest comparable technology and service provider. More importantly, RPost was the only solution that satisfied all seven legal requirements essential to yield a legally valid and court admissible record with high evidential weight as to the official time a notice was sent, received, and the content of the notice cover and attachments. This protects the sender’s organization in the case where time, receipt, notice content, or notice compliance is challenged by the recipient. The RPost service is the provider of choice for converting legal and contract notices to electronic delivery. Additionally, the RPost service includes advanced email encryption options and functionality for obtaining recipient electronic signatures on contracts attached to email, as an all-in-one package.” Adds Stanley Gibson in the Jeffer Mangels Butler & Mitchell LLP “The Corporate Counsel Guide”.

Requirements: Legal & Compliance

RMail® Registered Email™ and Registered Encryption™ provide simple to use and automated privacy compliance for HIPAA, GDPR, and other state and country regulations protecting personal private information, returning auditable proof of privacy compliance and legal and court admissible delivery in the form of a Registered Receipt™ email record for each message sent. Different industries have different requirements for proof of delivery of legal notices, with Registered Email™ services relied on internationally for the highest evidential and court admissible electronic record of proof of delivery, content, and timestamp.

Disclaimer: Neither RPost nor its affiliates provide legal opinions. The information on RPost and its affiliates and products websites is for general information purposes only and is not intended to serve as legal advice or to provide any legal opinions. Laws and regulations change from time to time and neither RPost nor its affiliates guarantee that all of the information on RPost and its affiliates websites are current, correct, or with sufficient detail for the purpose of each reader. You should consult your legal counsel for specific jurisiction and issues.
Tradenames are owned by the named company. Service benefit is summary, not intended to be a case study.​ RPost technology is patented. RMail, RSign, and RPost are trademarks owned by RPost.