Email warmup that ramps real mailboxes
Every mailbox you connect ramps by default: 5 emails a day in week one, 5 more each week, holding at 50 a day until you switch it off. A separate warm-up pool of real business mailboxes is opt-in. No separate warmup subscription.
START YOUR FREE TRIALWarmup is sold as a feature you bolt on, usually priced per inbox per month. In practice most of what it does is either something your sending platform should already handle, or something you should not want done to your mailbox at all. Emailchaser takes the first half and includes it: the ramp is on by default for every mailbox, so it never goes from zero to hundreds of emails overnight. Mailboxes bought through us are ramped from day one.
Mailboxes you buy through us go a step further. Done-for-you mailboxes are $6 per mailbox per month with provider-side warm-up included, plus a one-time setup fee per mailbox and the domain registrations, and Autopilot estimates the monthly and first-month cost for you before any mailbox is bought. Everything else that decides where your email lands sits on the same flat plan: inbox rotation, SPF, DKIM and DMARC support, and double email verification before a single address enters a campaign.
Ramp vs Pool
A gradual ramp on a real mailbox
You send genuine email to genuine recipients, starting small and increasing volume over days and weeks. This is uncontroversial, it matches what Gmail asks bulk senders to do, and it is on by default for every mailbox you connect.
A pool that simulates engagement
A pool manufactures opens, replies and spam rescues between its members. Ours uses real business mailboxes rather than disposable accounts, it is opt-in per mailbox and off by default, but it is still simulated engagement, and you should weigh that before switching it on.
- Gradual build-up
- 5 emails a day in week one, 5 more each week, holding at 50 a day until you switch it off.
- Warm-up pool
- off until you turn it on; by default it starts at 2 a day, adds 2 each weekday and stops at 40 (all adjustable); Google and Microsoft mailboxes only.
Product numbers as of September 2026, from the mailbox settings in the app.
Google's email sender guidelines, read on 3 August 2026, tell senders to "start with a low sending volume to engaged users, and slowly increase the volume over time" and to "avoid introducing sudden volume spikes" (Gmail sender guidelines). That is the first kind, and it is the one that is on by default. What to weigh before switching the second kind on, with the sources, is in does email warm-up work?
What you get on every plan
Ramp-up on any mailbox, included
Gradual build-up is on by default for every mailbox and included on every plan: 5 emails a day in week one, 5 more each week, holding at 50 a day until you switch it off. Real sending volume, not a new inbox blasting hundreds of emails on day one. Numbers as of September 2026.
Provider-side warm-up on mailboxes we supply
Done-for-you mailboxes bought through Emailchaser cost $6 per mailbox per month and include provider-side warm-up, plus a one-time setup fee per mailbox and the domain registrations. SPF, DKIM and DMARC are configured for you.
A warm-up pool, and what it actually does
Off until you turn it on, per mailbox. A mailbox in the pool exchanges email with the other members, by default starting at 2 a day and adding 2 each weekday up to 40 (all adjustable), on Google and Microsoft mailboxes only. That mail gets opened, sometimes marked important, sometimes replied to, and pulled back out of spam when it lands there. That is simulated engagement and we would rather say so than dress it up.
Inbox rotation across every sending account
Sending is spread across all of your connected inboxes, so no single mailbox carries the whole campaign. Every plan includes unlimited email accounts, so you can add mailboxes for rotation without a bigger bill.
Authentication checked before you send
A ramp cannot rescue an unauthenticated domain. Run the free deliverability test to see your SPF, DKIM, DMARC and MX records, and fix anything missing with the free record generators.
Double verification on every address
Two independent providers (BounceBan and Enrichley) check each address, and we only email it when both mark it valid. Bounces damage a warming mailbox faster than almost anything else, so this runs before the send, not after.
How to warm up an email account
Authenticate the domain first
Publish SPF, DKIM and DMARC before the mailbox sends anything. Gmail requires all three from anyone sending more than 5,000 messages a day, and the From: domain has to align with the SPF or DKIM domain.
Start small and increase slowly
Begin at a handful of emails a day from each new mailbox. Gmail's guidance is to start with a low volume and increase it over time, avoiding sudden spikes if you have no history of sending large volumes.
Send to verified addresses only
A new mailbox has no reputation to spend on bounces. Verify every address before it enters a campaign, and drop anything either verifier flags.
Spread the load across mailboxes
Rotate sending across several inboxes rather than pushing one to its ceiling. More mailboxes at a low daily volume beats one mailbox at a high one.
Watch complaints, not vanity metrics
Gmail asks senders to keep the spam rate in Postmaster Tools below 0.10% and never to reach 0.30%. That number tells you far more about a mailbox's health than any reply rate a warmup pool reports back to you.
Steps one and two are free to do yourself: the deliverability test shows what your domain is publishing today, and the SPF, DKIM and DMARC generators build the records you are missing. If you would rather not think about daily volume at all, Emailchaser handles the ramp and the rotation for you.
What to ask before you buy a warmup tool
- Ask what the tool actually sends. If the answer is emails between customers' inboxes, you are buying manufactured engagement, not deliverability.
- Ask whether warmup volume counts against your daily sending cap. If it does not, the tool is quietly adding volume your mailbox has to carry.
- Ask whether the tool adds open-tracking pixels to warmup mail. Tracking pixels can hurt deliverability on their own.
- Ask what it costs per mailbox per month, and multiply by the number of inboxes you actually plan to run. Per-inbox pricing is where warmup add-ons get expensive.
- Ask what happens on day 30. A ramp has an end. A subscription that never ends is a subscription, not a ramp.
The honest version of the thing warmup pools pretend to do is measurement: sending to real seed inboxes across the major providers and reporting whether your mail landed in the inbox, spam or a promotions tab. That now ships as Inbox Placement, a paid add-on on top of any plan. It measures where your email lands and tells you why; it does not manufacture engagement to get there. The Emailchaser Warm-Up Pool on this page is the other thing: it simulates engagement on the mail it sends, with opens, some replies, and pulling messages out of spam. We explain the difference between measuring placement and faking engagement in our guide to email warm-up.
Two videos on warm-up, from our channel
Two messages about the ramp
hey everyone my names Ara founder of NForce.ai, pleasure to join the community. i just discovered emailchaser a few hours ago and was drawn to it because of its simplicity, price, and the founder-led content/slack channel, which at least for me, helps creates a sense of proximity and trust. also, love the contrarian philosophy against warmup services and preference for scaling horizontally across domains and building up slowly rather than going ham with the 2-week inbox warming stuff. in any case excited to take it for a spin for our first gtm push
The second is a trial user's screenshot of an earlier version of the ramp toggle, then mandatory for 8 weeks. Today it can be switched off.
Email warmup FAQ
What is email warmup?
Email warmup is the practice of gradually increasing how much email a new mailbox sends, so mailbox providers see a sending pattern that builds up rather than a brand new account suddenly sending hundreds of messages. The term is also used for a second, very different thing: adding your mailbox to a pool of accounts that email each other and fake opens and replies. The first is a normal ramp. The second is manufactured engagement.
Does Emailchaser include email warmup?
Yes, both kinds, and we name them. Gradual build-up is on by default for every mailbox and included on every plan: 5 emails a day in week one, 5 more each week, holding at 50 a day until you switch it off. Mailboxes purchased through Emailchaser are ramped from day one and also include provider-side warm-up. We also run a warm-up pool: off until you turn it on, by default starting at 2 a day, adding 2 each weekday and stopping at 40 (all adjustable), Google and Microsoft mailboxes only. That mail is opened, sometimes marked important, sometimes replied to, and moved out of spam. It uses real business mailboxes rather than disposable accounts, and we call it simulated engagement. Product numbers as of September 2026.
How much does Emailchaser's email warmup cost?
Nothing on top of your plan. Ramp-up is included on every plan - Starter ($47/month), Pro ($97/month) and Max ($358/month), all with unlimited sending accounts. The only warmup-related line item is the done-for-you mailboxes themselves, at $6 per mailbox per month with provider-side warm-up included.
How long should you warm up an email account?
There is no fixed number that is true for every mailbox, and any tool quoting you one is guessing. The honest version is that you ramp until the mailbox is sending its target daily volume without complaints, then keep it there. Emailchaser's gradual build-up reaches 50 a day in week ten (5 a day in week one, 5 more each week) and holds there until you switch it off, so you are not counting days by hand.
Are email warmup tools safe?
The ramp kind is safe because it is just sending real email sensibly. The fake-engagement kind carries real risk: mailbox providers can detect networks of new accounts that only ever email each other, and warmup mail still counts towards the total volume your mailbox is carrying. Our full argument, with the sources, is in our guide on whether email warm-up works.
Do I need a separate email warmup service?
Not if your sending platform ramps mailboxes for you. A standalone warmup subscription is worth paying for only when your sending tool cannot ramp, and even then you should check what it is actually sending on your behalf before you connect a mailbox to it.
Does warmup fix emails going to spam?
On its own, no. Placement is decided by authentication, list quality, sending volume and what your emails say, and a ramp only helps with the volume part. Fix SPF, DKIM and DMARC first, verify your list, keep per-mailbox volume sensible, then let the ramp do its job.
Still not convinced?
Read all 36 customer messages.
P.s. these are actually real reviews (not fake G2 reviews) 🙂
“Btw thanks for your continuous help, best support ever! It means a lot as when I understand how the tool works, esp. In problematic situations, and And what it can do and cannot so from the start, I have more trust. There’s nothing worse for a user than what Smartlead does: lots of great features that don’t really work, including crucial ones for a sequencer like auto fallback to connected accounts when account gets disconnected (doesn’t have to get back to the original one after reconnection, no one expects miracles, just a solid infra delivering on its specs - not promises), plus their low quality support when the issues are revealed.”
“Got my first reply with Emailchaser :)”
“We've recently upgraded to the premium plan to increase our sending volume. Just wanted to say thanks for such an awesome platform and the support you've already given in getting us started.”
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