You may not know this

Preview text: Everything organised by topic

Derek CallanThursday, Oct 1, 2026 at 1:08 PM EasternActiveCampaign
Derek CallanYou may not know this
Subject
You may not know this
Preview text
Everything organised by topic
From
derek@derekcallan.com
Sent
Thu Oct 1, 2026, 1:08 PM ET
Size
21 KB
Images
1
Links
2, 1 of them buttons
Subject length
21 characters

Against Derek Callan's usual

Sent in its busiest hour, 1 PM, which holds 28% of its emails. The subject is 21 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
Derek Callan <[email protected]>
Subject
You may not know this
Date
Thu, 1 Oct 2026 17:08:06 +0000 (GMT)
Message-ID domain
service-v2-769bdf9d48-hpks7
Return-Path domain
em-3401318.derekcallan.com
DKIM signature
d=derekcallan.com s=acdkim1; d=acems1.com s=acdkim1
List-Unsubscribe
Present, one-click
Mailer
ActiveCampaign Mailer
Feedback-ID sender
activecampaign

Servers it passed through, newest first

  1. from (unnamed) by acems1.com with ESMTPS

Other sending headers (names only): X-KumoRef, X-DKIM-Options, X-Virtual-Mta, X-250ok-CID, X-Sending-Engine, X-Report-Abuse, X-lid, X-mid

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Sent just before and after

Oct 9, 2026 2:50 AMThe Story Behind English for Professionals
Oct 9, 2026 1:50 AMThanks for joining my email list – here’s a little thank you surprise!
Oct 8, 2026 1:09 PMShe used to sit in silence on calls
Oct 1, 2026 1:08 PMYou may not know this (this email)
Sep 24, 2026 1:08 PMTry this before your next meeting
Sep 17, 2026 1:03 PMThe gap between what you know and how you sound
Sep 3, 2026 1:03 PMWhat brings you here?

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