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I made SMTP simple and paid conversions went up

I rebuilt the dashboard for KingSMTP… and paid conversions increased.

For context:
KingSMTP is a transactional email service.

The infrastructure itself was already working well.

But over time I noticed something:
New users were getting overwhelmed immediately after signup.

The old dashboard looked more like a sysadmin panel:

  • charts everywhere
  • multiple tabs
  • technical terminology
  • setup spread across different pages

So instead of adding more features, I redesigned the experience around one goal:

Get users to their first successful delivered email as fast as possible.

Main changes:

  • SMTP credentials instantly visible
  • copy buttons everywhere
  • live delivery logs on homepage
  • visual SPF / DKIM / MX verification
  • one-click test email flow
  • reduced navigation depth
  • most important actions consolidated onto a single page

Interesting result:
Support requests dropped, activation improved, and paid conversions increased.

What surprised me most:
Almost none of the backend infrastructure changed.

The biggest bottleneck wasn’t SMTP itself.
It was reducing confusion during the first few minutes of usage.

Big lesson for me:
A lot of technical products are still designed like infrastructure panels instead of actual products.

Curious if other founders here have seen similar improvements from simplifying onboarding and activation rather than adding more features.

You can see the product here: KingSMTP.com

posted to Icon for group Growth
Growth
on May 12, 2026
  1. 2

    This is a strong lesson because SMTP products usually compete on deliverability, pricing, and reliability, but the first real conversion bottleneck is often confidence. A new user does not want to “learn SMTP.” They want proof that their first email can be sent, authenticated, and tracked without breaking anything.

    The dashboard changes you made all point in the same direction: reduce uncertainty before the user has time to leave. Instant credentials, visible SPF/DKIM/MX status, live logs, and one-click test email are not just UX improvements. They make the product feel safer and more operationally ready.

    One thing I’d watch is the KingSMTP name. It explains the category, but it also keeps the brand tied to a very literal SMTP-tool frame. If this becomes a broader transactional email / deliverability infrastructure product, a cleaner infrastructure-grade name like Exirra.com would probably age better.

    1. 1

      That’s actually a very good observation.

      You’re right that confidence is probably the hidden conversion layer in this space.

      A lot of SMTP products assume users already understand concepts like SPF, DKIM, ports, authentication flows, bounce handling, etc. But most users really just want reassurance that:

      1. the setup is correct,
      2. emails are actually landing,
      3. and nothing is silently failing.

      That became very obvious once I simplified the onboarding flow and exposed delivery/authentication feedback directly in the dashboard.

      Interesting point about the name as well.

      “KingSMTP” was intentionally very literal because the original positioning was heavily SMTP-focused, but I do agree that broader infrastructure positioning may eventually benefit from a less category-bound brand.

      1. 1

        Exactly. Literal naming makes sense when the wedge is narrow, especially if SMTP is the entry point.

        The risk is that the name starts training the market too early.

        If users, docs, support pages, tutorials, and integrations all remember it as “KingSMTP,” it becomes harder later to reposition it as broader email infrastructure without carrying the old frame with it.

        That is why I’d think about the brand layer before the product expands too visibly. The SMTP wedge can stay clear in the copy, but the company/product name should probably have room for deliverability, authentication, routing, monitoring, logs, and infrastructure trust.

        Exirra works better in that direction because it sounds more like an infrastructure layer than a category utility.

        Not saying you need to rename today, but I would not treat “later” as neutral here. Once users start remembering the current name, the switching cost starts compounding.

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