Email Marketing Tools with Email Warmup
Compare email platforms with built-in email warmup features. Gradually build sender reputation to improve deliverability and avoid the spam folder.
Why Email Warmup Matters
A new domain or IP address has no sending reputation, and blasting thousands of emails from day one is a fast track to the spam folder. Email warmup gradually increases your sending volume while generating positive engagement signals, building the trust that inbox providers need to deliver your emails.
What We Looked For
We selected platforms that offer automated email warmup programs, including gradual volume increases and reputation monitoring to help new senders establish deliverability.
5 Tools with Email Warmup
Instantly.ai
Cold email at scale with unlimited accounts and AI-powered warmup
Instantly.ai is a cold email platform built for volume, offering unlimited email accounts, AI-powered warmup, and inbox rotation to maximize deliverab...
Reply.io
AI-powered sales engagement across email, LinkedIn, calls, and SMS
Reply.io is an AI-powered sales engagement platform that unifies email, LinkedIn, calls, SMS, and WhatsApp into multichannel sequences for B2B outreac...
Smartlead
Unlimited mailboxes and warmup for cold email at scale
Smartlead is a cold email infrastructure platform built for agencies and high-volume senders, offering unlimited email accounts and warmup on every pl...
Lemlist
Multichannel cold outreach with built-in email warmup and lead database
Lemlist is a multichannel cold outreach platform that combines email campaigns, LinkedIn automation, and cold calling with a built-in 450M+ lead datab...
Woodpecker
B2B cold email tool with deliverability-first approach
Woodpecker is a B2B cold email tool founded in 2015 that takes a deliverability-first approach with built-in warmup, catch-all verification, and bounc...
Frequently Asked Questions
How long does email warmup take? +
A typical warmup period lasts 2-4 weeks, starting with small volumes (50-100 emails per day) and gradually scaling up. The exact timeline depends on your target volume and how quickly inbox providers recognize your sender reputation.
Do I need email warmup if I am switching platforms? +
If your new platform uses different sending infrastructure (new IP or domain), yes. If you are bringing your own authenticated domain and the platform uses shared IPs with good reputation, you may be able to skip or shorten the warmup.
What happens if I skip email warmup? +
Sending high volumes from an unwarmed domain typically results in emails landing in spam folders, high bounce rates, and potentially getting your domain blacklisted. Recovering from a damaged sender reputation can take months.
Is email warmup only for cold email outreach? +
No. While warmup is critical for cold outreach tools, it also matters for any business setting up a new domain or moving to a new email platform. Even legitimate newsletters benefit from a gradual volume ramp-up.