【新資料公開!】Mackerel SREチームが実践する「Production Readiness Checklist」を無料で公開

Preview text: 【新資料公開!】Mackerel SREチームが実践する「Production Readiness Checklist」を無料で公開 96…

Mackerel(マカレル)イベントチームSunday, Apr 5, 2026 at 11:03 PM EasternHubSpot
Mackerel(マカレル)イベントチーム【新資料公開!】Mackerel SREチームが実践する「Production Readiness Checklist」を無料で公開
Subject
【新資料公開!】Mackerel SREチームが実践する「Production Readiness Checklist」を無料で公開
Preview text
【新資料公開!】Mackerel SREチームが実践する「Production Readiness Checklist」を無料で公開 96…
From
marketing@mackerel.io
Sent
Sun Apr 5, 2026, 11:03 PM ET
Size
76 KB
Images
8
Links
11
Subject length
66 characters

Against Mackerel(マカレル)イベントチーム's usual

Sent in the 11 PM hour, which holds 15% of its emails; 29% arrive in the 12 AM hour. The subject is 66 characters; its average is 50.

Report this email

Sent just before and after

More from Mackerel(マカレル)イベントチーム

All Mackerel(マカレル)イベントチーム emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 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.