🛠️ Tool
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Freemium
Intermediate
Why we picked it Warming a new domain by hand means sending a trickle of real, replied-to emails for weeks, and this automates that slow ramp with a large network of real accounts. It starts small, grows volume gradually, and simulates opens and replies so providers learn to trust you before you send cold. Useful when you are standing up a fresh sending domain and cannot babysit the warmup yourself.
Instantly Email Warmup
From Instantly by Instantly
- Automates the slow volume ramp a new domain needs, starting at a handful of emails a day and building over weeks.
- Simulates genuine engagement (opens, replies, marking as important) so the domain looks trusted before real outreach begins.
- A dashboard tracks how much of your warmup mail is reaching the inbox versus spam, so you know when you are ready to send for real.