Koltrix
Deliverability
Warming up a brand-new sending domain
A new domain has no reputation, which filters treat with suspicion. Authenticate first, start with your most engaged recipients and grow steadily.
5 min read
DeliverabilityIP warm-up: a realistic schedule and what to watch daily
A practical IP warm-up plan that ramps volume over weeks, prioritizes engaged recipients and backs off on deferrals, with daily signals to check.
4 min read