Email Warmup

Email warmup is the process of gradually increasing your sending volume on a new or cold domain to build a positive reputation with ISPs (Gmail, Outlook, Yahoo, etc.). Skipping warmup on a new domain often results in emails landing in spam or being rejected outright.

How Pingovo warmup works

1. You link your SMTP configuration to a warmup campaign and set a daily ramp-up schedule (e.g. start at 10 emails/day, increase by 10 each day).
2. Pingovo's network of seed inboxes (Pingovo Seeds) receives your warmup emails.
3. The seed accounts automatically open, reply, and move emails out of spam — generating authentic engagement signals.
4. ISPs observe consistent, positive engagement and improve your domain's sender reputation over 2–4 weeks.

Setting up a warmup campaign

1. 1
   Go to Email Warmup → New Warmup Campaign.
2. 2
   Select the SMTP configuration (sender domain) you want to warm up.
3. 3
   Set the starting daily volume and daily increment.
4. 4
   Set the target maximum daily volume.
5. 5
   Click Create Warmup. The campaign starts right away and sends inside the send window you chose — if you create it outside those hours, sending begins when the window next opens. Pause it any time from the campaign page.

Health monitoring

The warmup detail page shows a health dashboard for your sender domain including:

• Inbox placement — a breakdown of where your warmup emails actually land: Direct Inbox (arrived in the inbox immediately), Rescued to Inbox (landed in spam first, then was moved to the inbox by the warmup network), and Direct Spam (stayed in spam). A high Rescued share is a sign your reputation is improving but isn't fully there yet — it's real spam-filter distrust still being corrected, not a clean first-pass landing.
• Delivery rate — ratio of accepted to attempted emails
• Bounce rate — should stay below 2% for healthy domains
• Domain reputation score — aggregated health indicator