VeryColdMail

How long does it take to properly warm up a mailbox?

Most mailboxes build a healthy sending reputation in about 14 days.However, warmup should continue for as long as you plan to send cold emails.Sender reputation is not a one-time setup — it’s ongoing. Continuous warmup activity keeps engagement signals strong and helps maintain inbox placement over time.

Do I need to keep warmup running after the first 14 days?

Yes. If you stop warmup while continuing cold outreach, reputation signals can weaken.We recommend keeping warmup active in the background for the entire time you send campaigns.Think of warmup as reputation maintenance — not just reputation building.

Can I upload mailboxes in bulk?

Yes. You can upload bulk CSV files with your SMTP and IMAP account details.This makes it easy to onboard dozens of mailboxes at once instead of adding them manually. You can also edit, pause, or remove mailboxes anytime after import.

What happens if my emails are landing in spam?

Our system performs active recovery actions when warmup emails land in spam folders.Messages are moved to inbox, marked as important, and replied to — helping retrain filtering systems and improve future placement.Recovery is gradual, but consistent engagement signals improve results over time.

Can I control how many warmup emails are sent per day?

You control:Warmup emails per dayRamp-up speedReply percentageSending pattern behaviorYou can adjust settings anytime.