They Sent It

Filters aren’t optional

Filter KingWednesday, Jul 8, 2026 at 9:00 AM EasternKlaviyo
Filter KingFilters aren’t optional
Subject
Filters aren’t optional
From
support@filterking.com
Sent
Wed Jul 8, 2026, 9:00 AM ET
Size
45 KB
Images
6
Links
7, 2 of them buttons
Subject length
25 characters

Against Filter King's usual

Sent in the 9 AM hour, which holds 18% of its emails; 25% arrive in the 8 AM hour. The subject is 25 characters; its average is 32.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From
Filter King <[email protected]>
Subject
Filters aren’t optional
Date
Wed, 08 Jul 2026 13:00:50 +0000 (UTC)
Message-ID domain
geopod-ismtpd-11
Return-Path domain
email.filterking.com
DKIM signature
d=filterking.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1398.shared.klaviyomail.com [149.72.95.9] by our receiving server with ESMTPS
  2. by recvd-…-xx5g5 with SMTP
  3. from (unnamed) by geopod-ismtpd-11 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

Jul 12, 2026 11:03 AMNever think about filters again
Jul 10, 2026 9:02 AM⚠️ Air quality alerts across the U.S.
Jul 9, 2026 9:02 AM🌡️Your AC is working overtime
Jul 8, 2026 9:00 AMFilters aren’t optional (this email)
Jul 6, 2026 8:01 AM🇺🇸 Last chance for 15% OFF
Jul 5, 2026 9:01 AM🇺🇸 15% OFF is waiting
Jul 4, 2026 11:00 AMCelebrate 250 years of freedom 🇺🇸

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