Don’t Wait! Sinclair Training Classes Start Tomorrow
Preview text: Don’t Wait! Sinclair Training Classes Start Tomorrow Registration is still open! Sign up…

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- Subject
- Don’t Wait! Sinclair Training Classes Start Tomorrow
- Preview text
- Don’t Wait! Sinclair Training Classes Start Tomorrow Registration is still open! Sign up…
- From
- general@
nucomfort.com - Brand
- NuComfort Supply
- ESP
- Mailchimp
- Sent
- Mon Oct 19, 2026, 3:45 PM ET
- Size
- 83 KB
- Images
- 7
- Links
- 10, 3 of them buttons
- Subject length
- 52 characters
Against NuComfort Supply's usual
Sent in the 3 PM hour, which holds 12% of its emails; 19% arrive in the 9 AM hour. The subject is 52 characters; its average is 44.
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
- NuComfort Supply LLC <[email protected]>
- Reply-To
- NuComfort Supply LLC <[email protected]>
- Subject
- Don’t Wait! Sinclair Training Classes Start Tomorrow
- Date
- Mon, 19 Oct 2026 19:45:36 +0000
- Message-ID domain
- mail63.sea91.rsgsv.net
- Return-Path domain
- mail63.sea91.rsgsv.net
- DKIM signature
- d=gmail.mcsv.net s=k2; d=mailchimpapp.net s=k3
- Authentication
- dkim=pass (gmail.mcsv.net), dkim=pass (mailchimpapp.net), spf=pass (mail63.sea91.rsgsv.net), dmarc=fail (nucomfort.com)
- List-Unsubscribe
- Present, one-click
- Mailer
- Mailchimp Mailer
- Feedback-ID sender
- mc
Servers it passed through, newest first
- from mail63.sea91.rsgsv.net [148.105.15.63] by our receiving server with ESMTPS
- from localhost [127.0.0.1] by mail63.sea91.rsgsv.net with ESMTP
Other sending headers (names only): X-Campaign, X-campaignid, X-Report-Abuse, X-MC-User, X-Accounttype
Sent just before and after
| Oct 30, 2026 8:31 AM | AprilAire Humidifier Promo Is Here | |
| Oct 29, 2026 9:46 AM | Don’t Miss the Final Sinclair Training Classes | |
| Oct 22, 2026 5:15 PM | Training Spots Still Open! | |
| Oct 19, 2026 3:45 PM | Don’t Wait! Sinclair Training Classes Start Tomorrow (this email) | |
| Oct 15, 2026 10:45 AM | Sinclair Furnace Training Starting Next Week | |
| Sep 29, 2026 11:01 AM | LAST CHANCE: Laars Training Class, Lunch, and Vendor Showcase | |
| Sep 28, 2026 2:29 PM | Still Time to Register: Laars Training at Our Chicago Branch This Week |
More from NuComfort Supply
All NuComfort Supply emailsExtended Deadline: RSVP for Sinclair Classes
Nov 2, 2026 10:30 AM
Don’t Miss the Final Sinclair Training Classes
Oct 29, 2026 9:46 AM
Oct 22, 2026 5:15 PM
Sinclair Furnace Training Starting Next Week
Oct 15, 2026 10:45 AM
LAST CHANCE: Laars Training Class, Lunch, and Vendor Showcase
Sep 29, 2026 11:01 AM
Still Time to Register: Laars Training at Our Chicago Branch This Week
Sep 28, 2026 2:29 PM
Reminder: Ruud Factory Training Classes are Next Week
Sep 17, 2026 4:45 PM
Sep 10, 2026 4:00 PM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 19, 2026.









