Send time optimization chooses when to deliver each message, either by segment (time zone, historical engagement windows) or per recipient using predicted open behavior.
What is the best time to send marketing emails?
There is no universal answer; mid-morning local time performs well for many B2B lists, but your own data beats benchmarks.
Why does email send time optimization matter for deliverability?
Arriving when a person is actually checking mail lifts engagement, and engagement lifts reputation.
What is the first step to get started with email send time optimization?
Capture time zone at signup or infer from engagement.
What is the most common email send time optimization mistake?
Sending everything at 9 a.m. in your own time zone.