Preserve Revenue.
Our Operating Model
Infrastructure Failures That Degrade Domain Reputation
Most deliverability instability begins at the infrastructure layer. We identify and correct the technical failures that weaken trust signals and expose domains to long-term reputation damage.
Primary Risk Vectors
Domain degradation is rarely caused by copy alone. It is usually driven by authentication misalignment, traffic contamination and uncontrolled volume expansion.
Domain Contamination
Authentication Instability
Uncontrolled Volume Scaling
Start with a Deliverability Risk Audit. Request Risk Audit →
About RDA
RDA Deliverability is a revenue infrastructure protection firm. We audit, remediate and govern email sending environments for companies that rely on outbound and lifecycle email to generate pipeline and revenue.
Our work focuses on the infrastructure failures that weaken sender trust: authentication misalignment, domain exposure, traffic contamination and uncontrolled scaling. We design controlled sending systems that protect domain reputation as volume grows.
Our Mission
Protect domain reputation and inbox placement by building resilient sending infrastructure and governance controls that prevent degradation before it becomes a revenue problem.
Our Vision
A market where outbound and lifecycle email operate as governed revenue infrastructure, with authenticated identity, isolated traffic lanes, controlled scaling and continuous risk management.
Deliverability Is Infrastructure. We Engineer It Accordingly.
Infrastructure Principles
RDA applies infrastructure controls that protect domain reputation, reduce exposure and support controlled scale.
Governed Systems. Controlled Scaling. Stable Reputation.
Deliverability failures rarely originate from copy alone. They are infrastructure events. Our approach prioritizes authenticated identity, isolated traffic lanes, controlled scaling and measurable governance to preserve sender trust over time.
Case Studies
Real Consulting Success: Inspiring Case Studies for Growth & Innovation
Why Infrastructure Discipline Matters.
Risk Audit
A structured assessment of authentication, domain exposure, sender reputation and infrastructure risk to identify the root causes of instability before they become a revenue problem.
Build & Governance
Design, remediation and ongoing control of sending environments built to protect primary domains, support controlled scaling and maintain reputation stability over time.
Protect Your Sending Infrastructure. Start With a Risk Audit.
Tell us what is at risk.
Share your domain, current sending environment, and the issues you are seeing. We assess authentication, infrastructure exposure, reputation signals, and scaling risk before recommending remediation.
Request an Audit Scope
See What We Assess
Request a Deliverability Risk Audit
Latest News
Read the latest news happening at Herrington and stay updated.
Why Scaling Cold Email Breaks Domain Reputation (And How to Prevent It)
Scaling outbound without infrastructure discipline introduces silent domain exposure that compounds over time. This insight…
Deliverability Risk & Infrastructure Insights
Most deliverability issues are not content problems — they are infrastructure failures. This insight breaks…
Deliverability Risk & Infrastructure Insights
Primary domain damage is rarely caused by one major failure. It usually develops through repeated…
Frequently Asked
Questions
Answers to common questions about audits, remediation, infrastructure architecture and ongoing monitoring.