Trade in your air purifier for a discounted upgrade

Preview text: Trade in and save $80

SterraFriday, Jun 19, 2026 at 7:20 AM EasternKlaviyo
SterraTrade in your air purifier for a discounted upgrade
Subject
Trade in your air purifier for a discounted upgrade
Preview text
Trade in and save $80
From
hello@sterra.sg
Brand
Sterra
Sent
Fri Jun 19, 2026, 7:20 AM ET
Size
62 KB
Images
12
Links
12, 4 of them buttons
Subject length
51 characters

Against Sterra's usual

Sent in the 7 AM hour, which holds 22% of its emails; 22% arrive in the 12 AM hour. The subject is 51 characters; its average is 44.

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From
Team Sterra <[email protected]>
Subject
Trade in your air purifier for a discounted upgrade
Date
Fri, 19 Jun 2026 11:20:32 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
send.sterra.sg
DKIM signature
d=shared.klaviyomail.com s=def1; d=sterra.sg s=kl1
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  2. from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP

Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

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