Email Warmup Tool, Build Sender Reputation Automatically
Warm up your email domain before you send a single cold email.
Bulk Email Boxer includes built-in email warmup, no Mailwarm or Lemwarm subscription needed.
The problem
New email domains land in spam because they have no sender history. Third-party warmup tools cost $30-$50/mo extra.
The solution
Bulk Email Boxer includes built-in email warmup, no Mailwarm or Lemwarm subscription needed.
Everything you need, included
- 14-day automated warmup ramp included in every plan
- Gradual volume increase: 5 → 50 → 500 emails/day
- Inbox placement monitoring during warmup
- Deliverability score tracking per sender account
- Works with Gmail, Outlook, Fastmail, Namecheap, and any SMTP
- Warmup runs in background, doesn't count against your send quota
Simple, flat pricing
Starter: $40/mo · Growth: $90/mo · Scale: $350/mo
All plans include warmup, sequences, A/B testing, and reply tracking. No per-seat fees.
How it works
Connect your email account, import your contacts, build a sequence, and launch. Warmup runs automatically. Replies land in your unified inbox.