It’s Time. 40% off, for a limited window
Preview text: Our spring flash sale has started!
No image available for this email.
- Subject
- It’s Time. 40% off, for a limited window
- Preview text
- Our spring flash sale has started!
- From
- hello@
proto-col.com - Brand
- Proto-col
- ESP
- Klaviyo
- Sent
- Wed Apr 15, 2026, 5:30 AM ET
- Sent to
- United Kingdom (proto-col.co.uk)
- Size
- 84 KB
- Images
- 18
- Links
- 26, 11 of them buttons
- Subject length
- 41 characters
Against Proto-col's usual
Sent in its busiest hour, 5 AM, which holds 43% of its emails. The subject is 41 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
- Proto-col <[email protected]>
- Subject
- It’s Time. 40% off, for a limited window
- Date
- Wed, 15 Apr 2026 09:30:13 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-85
- Return-Path domain
- engage.proto-col.com
- DKIM signature
- d=proto-col.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from o1384.shared.klaviyomail.com [149.72.156.203] by our receiving server with ESMTPS
- by recvd-…-nmf5d with SMTP
- from (unnamed) by geopod-ismtpd-85 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
Sent just before and after
| Apr 17, 2026 6:36 AM | Your saved products are about to expire! | |
| Apr 16, 2026 7:33 AM | We've saved these for you! | |
| Apr 16, 2026 5:00 AM | Flash 40% Off Ends Soon | |
| Apr 15, 2026 5:30 AM | It’s Time. 40% off, for a limited window (this email) | |
| Apr 14, 2026 12:01 PM | Strengthen Your Health | |
| Apr 13, 2026 12:00 PM | Taking Weight Loss Injections? Read This First | |
| Apr 11, 2026 5:00 AM | Celebrate National Pet Day with 20% Off! 🐾 |
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