Last call: 20% off Dad’s radiation defense ⏳

Preview text: Use code FATHERS20 before the clock runs out

WaveBlockTuesday, Jun 16, 2026 at 2:00 AM EasternKlaviyo
WaveBlockLast call: 20% off Dad’s radiation defense ⏳
Subject
Last call: 20% off Dad’s radiation defense ⏳
Preview text
Use code FATHERS20 before the clock runs out
From
info@waveblock.com
Sent
Tue Jun 16, 2026, 2:00 AM ET
Size
58 KB
Images
13
Links
18, 4 of them buttons
Subject length
44 characters

Against WaveBlock's usual

Sent in the 2 AM hour, which holds 14% of its emails; 16% arrive in the 4 AM hour. The subject is 44 characters; its average is 37.

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
WaveBlock™ <[email protected]>
Subject
Last call: 20% off Dad’s radiation defense ⏳
Date
Tue, 16 Jun 2026 06:00:11 +0000 (UTC)
Message-ID domain
geopod-ismtpd-57
Return-Path domain
send.waveblock.com
DKIM signature
d=waveblock.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1379.shared.klaviyomail.com [168.245.121.105] by our receiving server with ESMTPS
  2. by recvd-…-rjdt9 with SMTP
  3. from (unnamed) by geopod-ismtpd-57 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

Report this email

Sent just before and after

Jun 18, 2026 8:02 AMStill thinking about it? 💭
Jun 17, 2026 8:02 AMDid this catch your eye? 👀
Jun 17, 2026 12:00 AMFather’s Day Sale Extended!
Jun 16, 2026 2:00 AMLast call: 20% off Dad’s radiation defense ⏳ (this email)
Jun 14, 2026 10:00 PMProtect Dad: 20% OFF The Best Father's Day Gift
Jun 13, 2026 12:00 AMI couldn't find one, so I built it
Jun 9, 2026 10:00 PMFATHERS’ DAY SALE: 20% OFF

More from WaveBlock

All WaveBlock emails

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.