π Saturated niches, being too efficient, books I'm reading
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- Subject
- π Saturated niches, being too efficient, books I'm reading
- Preview text
- (resending ICYMI)
- From
- cindy@
cindybidar.com - Brand
- Cindy Bidar
- ESP
- Kit
- Sent
- Sun Sep 20, 2026, 1:05 PM ET
- Size
- 35 KB
- Images
- 4
- Links
- 16, 3 of them buttons
- Subject length
- 59 characters
Against Cindy Bidar's usual
Sent in the 1 PM hour, which holds 8% of its emails; 33% arrive in the 11 AM hour. The subject is 59 characters; its average is 36.
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
- Cindy Bidar <[email protected]>
- Subject
- π Saturated niches, being too efficient, books I'm reading
- Date
- Sun, 20 Sep 2026 17:05:16 +0000 (UTC)
- Message-ID domain
- kit-mail3.com
- Return-Path domain
- ckespa.cindybidar.com
- DKIM signature
- d=cindybidar.com s=cka
- List-Unsubscribe
- Present, one-click
- Feedback-ID sender
- CK
Servers it passed through, newest first
- by recvd-β¦-rdz72 with SMTP
- from (unnamed) by geopod-ismtpd-50 with HTTP
Other sending headers (names only): X-Report-Abuse, X-Report-Spam, X-SG-EID, X-SG-ID, X-Entity-ID
Sent just before and after
| Sep 29, 2026 11:48 AM | [NEW] The Framework Formula | |
| Sep 26, 2026 11:46 AM | [Skimmable] Be boring, extreme time tracking, signature frameworks | |
| Sep 24, 2026 6:21 PM | No, we didn't get hacked | |
| Sep 20, 2026 1:05 PM | π Saturated niches, being too efficient, books I'm reading (this email) | |
| Sep 19, 2026 10:53 AM | [Skimmable] Crowded niches, getting unstuck, books you should read | |
| Sep 16, 2026 9:50 AM | The people have spoken | |
| Sep 12, 2026 1:12 PM | π Get a free biz education, content marketing stats for 2026, and moving walkways |
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Same ESP and the closest weekly volume, sent on Sep 20, 2026.








