Sterye emails

steryemysteryboxes.com

Sterye sends about 4 emails a week through Klaviyo, most often on Friday around 7 PM Eastern.

Early figures, based on 6 emails received from Oct 15 to Oct 24, 2026.

Emails a week
about 4
Last sent
6 days ago · Oct 24
Tracked since
Oct 2026
Emails collected
6

Recent subject lines

All subject lines

Subject lines average 31 characters. Each one opens the email it came from.

PictureSent (Eastern)SubjectPreview text
Oct 24, 2026 2:02 PMHalloween delivery cutoff is TONIGHT 🎃One last spooky treat? Boo Boxes and Horror Mystery Boxes are ready to ship.
Oct 23, 2026 1:16 PMLast Day to Order for Halloween Delivery 🎃October’s almost over, but there’s still time for a Boo Box or Horror Mystery Box. 🖤
Oct 19, 2026 2:27 PMWant your Boo Box before Halloween? 🎃Order by October 24 for Halloween delivery in the contiguous U.S.
Oct 18, 2026 7:10 PMBefore you orderBefore you order What’s inside, how it works, and what to check before ordering. MADE FOR…
Oct 16, 2026 7:09 PMFind your first favoriteFind your first favorite Original characters. A closer look at what comes in the box. MADE…
Oct 15, 2026 7:13 PMA little extra spooky, on usA little extra spooky, on us Your FREE Mystery Bag offer, plus a closer look at your first…

All subject lines

About Sterye

ESP
Klaviyo
Tracked since
Oct 2026
Emails collected
6
Emails a week
about 4
Last sent
Oct 24, 2026
Sends from
mystery@sterye.com
Subject length
31 characters avg

Counts include automated emails such as a welcome series.

Similar sending frequency

Latest emailBrandESPWebsite popularityEmails a weekBusiest dayLast sent
4feetshoes4feetshoes.com · Top 500,000 sitesKlaviyoTop 500,000 sitesabout 4MondayOct 14, 2026Klaviyo · about 4 a week · busiest Monday · last sent Oct 14, 2026
886 by The Royal Mint886.royalmint.comKlaviyoabout 4ThursdayOct 29, 2026Klaviyo · about 4 a week · busiest Thursday · last sent Oct 29, 2026
8Foods8foods.co.ukKlaviyoabout 4ThursdayOct 17, 2026Klaviyo · about 4 a week · busiest Thursday · last sent Oct 17, 2026
Report an errorLast updated Oct 30, 2026

Get the Black Friday insights

We're collecting every Black Friday email from more than 41,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. You'll get a confirmation email first, and you can unsubscribe anytime.