Product / Warmup
Warm every inbox before it sends.
SuperSend warms every connected inbox with natural back-and-forth email, so your first campaign lands like it came from a person.
- alex@trynorthwind.com97%0.6%
- alex@getnorthwind.com94%0.9%
- sam@trynorthwind.com71%3.8%
sam@trynorthwind.com flagged: bounce rate above 3%
What you can do
Written by AI, not templates
Warmup emails are written from a persona for each inbox and topics you choose, so they read like real mail.
Opened and replied to
Warmup emails get opened and answered, which is what builds reputation.
Pulled out of spam
Warmup emails that land in spam are moved back to the inbox.
Ramps up on its own
Volume grows through four stages, from warming to mature, without you setting a schedule.
Health per inbox
See each inbox’s warmup progress next to its bounce rate and DNS status.
Included
Warmup runs on every inbox on every plan, and during your 7-day trial.
Warmup questions
Is warmup included?
Yes, on every plan and during the 7-day trial.
How long should I warm up before sending?
About 14 days. Campaign review warns you if an inbox is newer than that.
Does warmup keep running during campaigns?
Yes. It keeps going alongside your campaigns to protect reputation.
Start your first sequence today.
Connect an inbox, add your LinkedIn, and build your sequence. Set up free, no card. 7-day free trial when you launch. Plans from $59/month.