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Brad Slavin

Brad Slavin

General Manager & Founder

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Brad Slavin is the General Manager and Founder of DuoCircle, a company that provides comprehensive email security solutions including OutboundSMTP enterprise relay services. With decades of experience in the email industry, Brad specializes in email deliverability, authentication, and infrastructure.

Areas of Expertise

Email DeliverabilitySMTP InfrastructureEmail AuthenticationSPFDKIMDMARCEnterprise Email

Articles by Brad Slavin

Why Google's 'p=none' DMARC Policy Is Just the Beginning: A 2025 Email Security Prediction

Here's What You Should Look For Before Choosing The Best Email Marketing System in 2020

Features To Look For In Outbound SMTP Services

Bulk Email Services: Know How Email Authentication Helps To Deliver Emails To Customers' Inboxes

Top Features to Look for in Outbound Email Delivery Service

An Analysis On Email Blacklists & How You Can Avoid Them For A Successful Email Marketing Campaign

DKIM: The Secret to Improved Email Deliverability

Looking For A Free SMTP Relay Service For Quality Email Delivery And Efficient Business Communications

A Comprehensive Guide To Understand SMTP Relay Service

Three Keys to Email Delivery for High Volume Senders