They Sent It

One Label Format. Four Major Carriers.

Here's why so many businesses standardize on 4x6.

4x6Labels.comThursday, Jun 4, 2026 at 5:00 PM EasternKlaviyo
4x6Labels.comOne Label Format. Four Major Carriers.
Subject
One Label Format. Four Major Carriers.
Preview text
Here's why so many businesses standardize on 4x6.
From
support@4x6labels.com
Sent
Thu Jun 4, 2026, 5:00 PM ET
Size
63 KB
Images
16
Links
19, 8 of them buttons
Subject length
38 characters

Against 4x6Labels.com's usual

Sent in the 5 PM hour, which holds 18% of its emails; 23% arrive in the 10 AM hour. The subject is 38 characters; its average is 34.

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From
4x6Labels.com <[email protected]>
Subject
One Label Format. Four Major Carriers.
Date
Thu, 04 Jun 2026 21:00:11 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
rxtqed.shared.klaviyomail.com
DKIM signature
d=shared.klaviyomail.com s=def1; d=shared.klaviyomail.com s=mtc1
List-Unsubscribe
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Servers it passed through, newest first

  1. from kl-203-24-5.kmta.shared.klaviyomail.com [170.203.24.5] by our receiving server with ESMTPS
  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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Jun 4, 2026 5:00 PMOne Label Format. Four Major Carriers. (this email)
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May 22, 2026 11:05 AMMemorial Day Sale Is Live 🇺🇸
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