They Sent It

It’s Not The Heat. It’s The Humidity.

Why some summer days feel much hotter than they actually are?

Vortex AirFriday, Aug 28, 2026 at 4:15 AM EasternKlaviyo
Vortex AirIt’s Not The Heat. It’s The Humidity.
Subject
It’s Not The Heat. It’s The Humidity.
Preview text
Why some summer days feel much hotter than they actually are?
From
support@vortexair.co.uk
Sent
Fri Aug 28, 2026, 4:15 AM ET
Size
42 KB
Images
12
Links
12, 3 of them buttons
Subject length
38 characters

Against Vortex Air's usual

Sent in its busiest hour, 4 AM, which holds 38% of its emails. The subject is 38 characters; its average is 33.

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From
Vortex Air <[email protected]>
Subject
It’s Not The Heat. It’s The Humidity.
Date
Fri, 28 Aug 2026 08:15:16 +0000 (UTC)
Message-ID domain
geopod-ismtpd-64
Return-Path domain
contact.vortexair.co.uk
DKIM signature
d=vortexair.co.uk s=kl2
List-Unsubscribe
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Servers it passed through, newest first

  1. by recvd-canary-…-rqj29 with SMTP
  2. from (unnamed) by geopod-ismtpd-64 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

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Sent just before and after

Sep 4, 2026 4:15 AMDesigned To Be Seen, Not Stored Away
Sep 2, 2026 4:15 AMWarm Today, Freezing By Friday
Aug 29, 2026 4:15 AMThe Pro Plus Is Back!
Aug 28, 2026 4:15 AMIt’s Not The Heat. It’s The Humidity. (this email)
Aug 26, 2026 4:15 AMStop Wasting Money On Water
Aug 24, 2026 8:42 AMYour Discount Is Expiring
Aug 23, 2026 8:41 AMHere’s 5% OFF Just For You!

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