An error with the last email we sent out...

Preview text: The eagle-eyed amongst you have noticed

Custom CalibersWednesday, Oct 7, 2026 at 9:40 AM EasternKlaviyo
Custom CalibersAn error with the last email we sent out...
Subject
An error with the last email we sent out...
Preview text
The eagle-eyed amongst you have noticed
From
sales@customcalibers.com
Sent
Wed Oct 7, 2026, 9:40 AM ET
Size
43 KB
Images
9
Links
9, 5 of them buttons
Subject length
43 characters

Against Custom Calibers's usual

Sent in its busiest hour, 9 AM, which holds 22% of its emails. The subject is 43 characters; its average is 38.

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
Nathan at Custom Calibers <[email protected]>
Subject
An error with the last email we sent out...
Date
Wed, 07 Oct 2026 13:40:02 +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
Present, one-click

Servers it passed through, newest first

  1. 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

Report this email

Sent just before and after

Oct 15, 2026 11:27 PM⚫ Still deciding what to use your 10% on?
Oct 14, 2026 3:44 AMA deadline is only useful if everyone knows it!⏰
Oct 13, 2026 11:26 PM⚫ Your 10% off is ready
Oct 7, 2026 9:40 AMAn error with the last email we sent out... (this email)
Oct 7, 2026 9:15 AM🤐Is it better to ask or keep it a surprise?🎁
Oct 1, 2026 9:45 AMWhen the recipient already owns everything🤦
Sep 28, 2026 10:17 AM🤩 Choosing a Gift That Feels Personal.

More from Custom Calibers

All Custom Calibers emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on Oct 7, 2026.

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. You'll get a confirmation email first, and you can unsubscribe anytime.