Trick-or-treat like a pro
Preview text: Six tips for the 31st

Using this email in an article? Credit: Cali's Books email via They Sent It, with a link to this page. Full-size image
- Subject
- Trick-or-treat like a pro
- Preview text
- Six tips for the 31st
- From
- littlestar@
calisbooks.com - Brand
- Cali's Books
- ESP
- Klaviyo
- Sent
- Sun Oct 11, 2026, 9:51 PM ET
- Sent to
- cali.plus, calisbooks.com
- Size
- 57 KB
- Images
- 13
- Links
- 18, 8 of them buttons
- Subject length
- 25 characters
Against Cali's Books's usual
Sent in its busiest hour, 9 PM, which holds 54% of its emails. The subject is 25 characters; its average is 24.
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
- Cali <[email protected]>
- Subject
- Trick-or-treat like a pro
- Date
- Mon, 12 Oct 2026 01:51:03 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.calisbooks.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.calisbooks.com s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- 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
Sent just before and after
| Oct 13, 2026 10:08 AM | The first Cali Readers shipped | |
| Oct 13, 2026 6:42 AM | The first Cali Readers shipped | |
| Oct 13, 2026 1:55 AM | Welcome to Books 2.0 ➡️ | |
| Oct 11, 2026 9:51 PM | Trick-or-treat like a pro (this email) | |
| Oct 8, 2026 9:52 PM | Drop day | |
| Oct 7, 2026 9:24 PM | Still thinking it over? | |
| Oct 5, 2026 9:45 PM | September, ranked |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 11, 2026.









