The post-opt-in growth platform

Everything after the opt-in determines your growth.

The hardest part is not getting subscribers. It is making sure they receive your emails, engage, return, and become more valuable over time.

Deliverability-first Senior implementation High-volume expertise
Value compounds after the opt-in
Opt-inAcquired
InboxDelivered
EngageActivated
GrowthCompounding
InboxReach the subscriber
LifecycleMove the relationship
LTVCompound customer value
Free · no signup to see your score

Scan your sending domain

A real DNS-level read on SPF, DKIM, DMARC and MX. About a minute, nothing to install.

Real DNS scan. No email required to see your result.

DNS is the foundation. The inbox is where the money is.

Authentication passing doesn't mean you're inboxing. Our team runs a full placement test across Gmail, Outlook and Yahoo, then sends the fixes ranked by revenue impact.

✓ Free. No card. A human on our team runs it and replies within one business day.

Got it — your test is queued.

Someone from our team will send your full placement report within one business day.

Platform independent

Compatible with all ESPs and email marketing tools.

Optinize works across your existing stack. We diagnose, migrate, integrate, and improve the system without forcing your business into one platform.

SendGrid logo
Mailgun logo
SparkPost logo
Postmark logo
Amazon Web Services logo
Return Path logo
SpamAssassin logo
Slack logo
Telegram logo
Two decades of email & marketing infrastructure Brands our team has worked with

Experience may include work completed by members of the Optinize team in prior roles and engagements.

Where growth breaks

Most email revenue is lost in three places.

First, messages fail to reach the inbox. Then the wrong messages fail to create action. Finally, customers disappear before their value has time to compound.

01 Deliverability

Your customer never sees the email.

  • Authentication or reputation problems
  • Spam-folder and provider-specific placement
  • Poor list health or sending architecture
Optinize outcomeReach the inbox reliably.
02 Engagement

The email arrives, but creates no action.

  • Generic campaigns and weak segmentation
  • Missing or poorly timed lifecycle flows
  • Messages disconnected from customer intent
Optinize outcomeTurn attention into action.
03 Retention & value

The first purchase never becomes a relationship.

  • Customers lapse without intervention
  • No structured win-back or value expansion
  • Acquisition spend must replace lost customers
Optinize outcomeCompound lifetime value.
DeliverEngageRetainGrow
Growth systems

Four systems. One post-opt-in growth engine.

01 / DELIVER

Reach the inbox.

Authentication, placement, reputation, migration, and list health.

02 / ENGAGE

Send the right message.

Campaigns, lifecycle flows, segmentation, and automation.

03 / RETAIN

Keep customers active.

Win-back, churn prevention, lifecycle strategy, and retention.

04 / GROW

Increase customer value.

Conversion, repeat purchase, customer value, and LTV growth.

Flagship free tool

See where your email actually lands.

Run a real inbox placement test across major mailbox providers. Identify placement, authentication, and spam-risk issues before the next campaign goes live.

What the report contains Human-reviewed
Placement per providerPrimary · Tabs · Spam · Missing
AuthenticationSPF · DKIM · DMARC alignment
Headers & routingRead from the delivered message
Next actionsRanked by revenue impact
Why Optinize

Software tells you what. We tell you why, then fix it.

Tools can detect a problem. Optinize connects the technical cause to the commercial consequence and implements the solution across your stack.

WHAT Placement, authentication, engagement, and lifecycle data.
WHY Root-cause diagnosis, prioritized fixes, and hands-on implementation.
One connected result

Growth comes from fixing the whole path.

The strongest outcomes rarely come from one isolated tactic. They come from improving infrastructure, messaging, lifecycle, and customer value together.

01
Deliverability audit

Map the infrastructure, reputation, and provider-level risks.

02
Authentication and architecture fixed

Correct DNS, subdomain, IP, and sending configuration.

03
Segmentation rebuilt

Separate engaged, inactive, risky, and high-value audiences.

04
Lifecycle redesigned

Align campaigns and automations to customer intent.

05
Revenue compounds

More messages reach the right customers and create value.

One ecosystem

Everything works together.

Deliverability makes engagement possible. Engagement makes retention possible. Retention creates customer value. Customer value creates growth.

Deliverability Marketing Automation Retention Customer Value Growth

Ready to see where revenue leaks after the opt-in?

Start with a free scan, or talk to an expert about the part of the system that is holding growth back.