Plain or custom? Your envelopes, your way.

Preview text: Plain envelopes work. Custom envelopes wow.

Sunday, Oct 18, 2026 at 12:40 AM EasternKlaviyo

Envelopes.comPlain or custom? Your envelopes, your way.

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Using this email in an article? Credit: Envelopes.com email via They Sent It, with a link to this page. Full-size image

Against Envelopes.com's usual

Sent in the 12 AM hour, which holds 4% of its emails; 30% arrive in the 8 AM hour. The subject is 42 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.

Other sending headers (names only): X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

	Oct 20, 2026 12:42 AM	Big business? Bigger savings.
	Oct 19, 2026 12:00 PM	Hard-to-Find Supplies? There’s Help for That.
	Oct 19, 2026 12:42 AM	Customizing is as easy as 1, 2, 3
	Oct 18, 2026 12:40 AM	Plain or custom? Your envelopes, your way. (this email)
	Oct 17, 2026 12:39 AM	Why businesses choose Envelopes.com 📬
	Oct 16, 2026 12:02 PM	Behind Every Great Holiday Campaign... 🎄
	Oct 16, 2026 2:48 AM	Help us tailor your Envelopes.com emails 📨