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Real Results From Real Client Engagements

Every outcome below comes from an actual B2B outreach or deliverability engagement. Some clients are named; others are shown at the client's request without identifying details. Either way, the numbers are real.

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Client Success Stories

World's #1 Sales Trainer

Client
A bestselling author, sales trainer, and social media influencer whose 1:1 cold outreach was landing in spam.
Challenge
The client's team was sending to poor-quality contacts, and B2B emails sent through Google Workspace were consistently placed in spam folders instead of reaching prospects.
Services
A full deliverability audit, including authentication review and correction, reputation and blacklist analysis, and list validation to filter out invalid addresses, spam traps, and abandoned contacts.
Results
Spam folder placement issues were resolved, problematic and low-quality addresses were removed from the sending list, and the client received a prioritized set of recommendations for improving their sending processes and infrastructure. The full audit and remediation plan was delivered in four weeks.

AI-Enabled Sales Engagement Platform

Client
A well-known AI-enabled sales engagement platform whose outbound emails weren't reaching Microsoft 365 or Google Workspace inboxes.
Challenge
The client's biggest issue was landing in spam with both major mailbox providers, undermining the outbound motion their own customers depend on.
Services
Inbox placement testing, header and HTML code analysis, infrastructure reputation checks, and targeted remediation for Microsoft and Google inboxing issues.
Results
Testing uncovered that specific custom header text was triggering Google's filters and that default footer text was flagging emails as spam with Microsoft 365. Once both were corrected, the client's test sends began reliably reaching the inbox with both providers.
Challenge
WithMe's Inbox placement dropped, blocklisting and weak domain reputation caused low engagement and affected transactional emails.
Services
The Inbox Co. delivered full deliverability audit, SPF/DKIM/DMARC fixes, IP/domain warm-up, list hygiene, reputation monitoring, and ongoing consulting.
Results
Inbox placement rose from 82.3% to 93.7% (now 94–98%), major blocklists cleared, bounces/spam complaints reduced, engagement restored, stronger processes established.
Challenge
Help Retention Studios rebuild their sender reputation after a domain change.
Services
The Inbox Co. provided structured domain warm-up plan, daily volume ramp, engaged segmentation, inbox testing, and real-time advisory.
Results
Recovered $60k revenue, scaled from 200 to 30,000 recipients per campaign, improved inbox placement, open rates, and click-through rates with no setbacks.

"These guys are great to work with and a wealth of knowledge for all questions around deliverability and list hygiene."

Trent McCloskey, Co-founder, Retention Studios

Typical Engagement Benchmarks

What You Can Expect in the First 30 Days

We don't need lengthy case studies to show value. Here's a realistic preview of early outcomes.

>30%

Avg. reply rate

100–300

Meetings / year

10–20%

Close rate

$100K–$1M+

Pipeline generated

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