Warmup is the process of gradually building trust and sending reputation for a new email inbox before it starts sending cold outreach. Prospi handles this automatically.
Why Warmup Matters
When a brand-new email account starts sending emails immediately, it looks suspicious to email providers like Gmail. Without warmup:
Your emails are likely to land in spam.
Your inbox may get temporarily blocked.
Your domain reputation takes damage that is hard to recover.
Warmup solves this by slowly introducing your inbox to email traffic over time, letting providers build a positive sending history for the account.
How Warmup Works
During warmup, Prospi automatically sends and receives emails between real accounts on your behalf. This simulates natural email activity and signals to providers that the inbox is legitimate and trustworthy.
You do not need to do anything. Prospi manages the entire process in the background.
How Long Does Warmup Take?
Warmup takes 2 weeks. After that, your inbox is ready to send cold email campaigns at full volume with strong deliverability.
Benefits of a Properly Warmed Inbox
Emails land in the primary inbox, not spam.
Higher open and reply rates.
Protected domain reputation long-term.
Safe to scale sending volume over time.
Do I Need to Do Anything?
No. If you purchased inboxes through Prospi, warmup starts automatically and runs in the background. Once the 2-week period is complete, your inboxes will be ready to add to campaigns.