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Not all gut tests are created equal

Here’s what most tests miss, and why it matters.

SynergisedThursday, Jun 18, 2026 at 7:57 AM EasternActiveCampaign
SynergisedNot all gut tests are created equal
Subject
Not all gut tests are created equal
Preview text
Here’s what most tests miss, and why it matters.
From
info@synergised.uk
Sent
Thu Jun 18, 2026, 7:57 AM ET
Size
41 KB
Images
10
Links
5, 3 of them buttons
Subject length
35 characters

Against Synergised's usual

Sent in the 7 AM hour, which holds 13% of its emails; 18% arrive in the 8 AM hour. The subject is 35 characters; its average is 41.

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From
Synergised <[email protected]>
Subject
Not all gut tests are created equal
Date
Thu, 18 Jun 2026 11:57:24 +0000 (GMT)
Message-ID domain
service-6
Return-Path domain
em-2716044.synergised.uk
DKIM signature
d=synergised.uk s=acdkim1; d=acems2.com s=acdkim1
List-Unsubscribe
Present, one-click
Mailer
ActiveCampaign Mailer
Feedback-ID sender
activecampaign

Servers it passed through, newest first

  1. from d34c.emsend3.com [52.128.42.107] by our receiving server with ESMTPS
  2. from (unnamed) by acems1.com with ESMTPS

Other sending headers (names only): X-KumoRef, X-DKIM-Options, X-Virtual-Mta, X-250ok-CID, X-Sending-Engine, X-Report-Abuse, X-lid, X-mid

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Sent just before and after

Jun 25, 2026 10:23 AMThree steps to finally understanding your gut
Jun 22, 2026 7:32 AMThe test results that finally made sense of everything
Jun 19, 2026 5:37 AMThe Father’s Day Gift That Actually Does Something 🌿
Jun 18, 2026 7:57 AMNot all gut tests are created equal (this email)
Jun 16, 2026 10:02 AMStop guessing. Start knowing.
Jun 13, 2026 12:19 PMAre You Actually Hydrated? 🌿
Jun 11, 2026 10:07 AMYour gut has been trying to tell you something

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