Skip to content

Don’t miss this ‘silent warning’

Learn how to improve insulin sensitivity.

Function Health <[email protected]>

Other

Share
Sent with Iterable Sends about 2 a week All facts

Function Health promotes understanding and management of insulin resistance, a "silent warning" for long-term health. They offer insight into symptoms, biomarker testing, and improvement of insulin sensitivity. Function Health invites individuals to join and access comprehensive biomarker tests for a detailed health portrait.

What the raw message shows

From the headers

Sent with
Iterable See it in the headers

Across Function Health's email

Sends
About 2 a week
DMARC
Enforced, quarantine

Mail failing authentication goes to spam.

The copy

101 words · under a minute to read · 1 button

The critical role of insulin sensitivity in long-term health

Insulin resistance is a ‘silent warning’ that’s often overlooked. Learn how to take control.

What is insulin resistance–and why does it matter?

Many live with early signs of insulin resistance without realizing the long-term impact it can have on their health. Learn the symptoms, test key biomarkers, and take action to improve your insulin sensitivity and protect your long-term health.

Button Read full article →

Get a portrait of your health.

Access 5x more biomarker tests than the average physical and and learn more about what's happening inside your body.

Join Function now

The words as text: what a screen reader can follow, and all there is when images don't load.

What the headers say

Read from the message's own headers, as it arrived.

Came from
v5233.v5f9d002f.use4.send.mailgun.net · 69.72.41.233

Iterable's sending servers

SPF
Pass for mail.functionhealth.co
DKIM
  • Pass signed by mail.functionhealth.co
DMARC
Pass for mail.functionhealth.co

Policy: quarantine

Unsubscribe
One-click

Meets the Gmail and Yahoo rule for bulk senders.

Complaints
Feedback loop set up

Mailbox providers can report spam complaints straight back to the sender.

Show all 24 headers

As received, minus the delivery side: the archive's own addresses show as [recipient], its mail servers as [receiver], signatures are left out and unsubscribe links trimmed to their host.

Route

Received
from v5233.v5f9d002f.use4.send.mailgun.net (69.72.41.233) by [receiver] (cloudflare) id wKfSySogcLWY for <[recipient]>; Wed, 02 Sep 2026 00:59:54 +0000
Received
by 4af0dd1e95a75e1016389d0f13889d3960af6d5d64991c9f025d829097de7933 with HTTP id 6a977509b7312c77f0b6bce0; Wed, 02 Sep 2026 00:59:53 GMT
Return-Path
[email protected]

Authentication

Received-SPF Authentication result
pass ([receiver]: domain of [recipient]@mail.functionhealth.co designates 69.72.41.233 as permitted sender) receiver=[receiver]; client-ip=69.72.41.233; envelope-from="[recipient]@mail.functionhealth.co"; helo=v5233.v5f9d002f.use4.send.mailgun.net;
Authentication-Results Authentication result
[receiver]; dkim=pass header.d=mail.functionhealth.co header.s=smtp header.b=SQ7hjFFA; dmarc=pass header.from=mail.functionhealth.co policy.dmarc=quarantine; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=v5233.v5f9d002f.use4.send.mailgun.net; spf=pass ([receiver]: domain of [recipient]@mail.functionhealth.co designates 69.72.41.233 as permitted sender) smtp.mailfrom=[recipient]@mail.functionhealth.co; arc=none smtp.remote-ip=69.72.41.233

Platform

X-Mailgun-Sid
WyI0NGEwNyIsImZ1bmN0aW9uaGVhbHRoQGluYm94YXJjaGl2ZS5vcmciLCIzZjc0MGUiXQ==
X-Mailgun-Sending-Ip-Pool-Name
Functionhealth_mktg
X-Mailgun-Sending-Ip-Pool
688936fdc539b959e7d11504
X-Mailgun-Sending-Ip
69.72.41.233
X-Campaign-Id
14832926
X-Message-Id
c8f6f6e9335442b6bce3eb6e0c241120
X-Feedback-Id Identifies Iterable
19327105:14832926:108300:iterable
X-Mailgun-Variables
{"metadata": "{\"messageId\":\"c8f6f6e9335442b6bce3eb6e0c241120\",\"templateId\":19327105,\"projectId\":24901,\"campaignId\":14832926,\"recipientUserKey\":\"72cfce59-8340-4671-a6c4-fcfc35f4dc14\"}"}

Unsubscribe and feedback

List-Unsubscribe Identifies Iterable
<https://links.iterable.com/…>,<mailto:…@unsubscribe.iterable.com>
List-Unsubscribe-Post
List-Unsubscribe=One-Click
Feedback-Id
19327105:14832926:108300:iterable

Message

Sender
[email protected]
Date
Wed, 02 Sep 2026 00:59:53 +0000
Mime-Version
1.0
Content-Type
multipart/alternative; boundary="67e5eec1e0513c989ea37ffa686ad38a876532f9ecebe90c83b947afbc89"
Subject
Don’t miss this ‘silent warning’
From
Function Health <[email protected]>
Reply-To
[email protected]
Message-Id
<[email protected]>

More from Function Health

All 13 emails
Function Health

How to reduce toxin exposure—and their carcinogenic risks

Function Health

Are your symptoms a sign of low electrolytes?

Function Health

Function Day ends soon.

Function Health

Function Day is here: Get a $70 credit toward membership.

Similar campaigns from other brands

Different brands running the same play. Compare any of them side by side.

Levels

What your skin says about insulin resistance 

Compare
Arnold's Pump Club

Weekly wisdom

Compare
Elysium Health

What are doctors prescribing?

Compare

Archived for reference and commentary. Function Health, its logos and content are the property of their respective owners; Inbox Archive claims no affiliation and has disabled all links. If you own this content and would like it removed, get in touch.