Send more, land better, and never burn a domain doing it
Inbox placement isn't just about infrastructure. Content, sender reputation, and list quality all play a role. lemlist handles each one.
Most outbound emails never reach the inbox. And you don't even know it.
Your domain gets flagged before a single email is read
Scaling volume tanks your sender reputation fast
Bad contacts silently poison your deliverability
Inbox rotation keeps your volume safe and your campaigns running at scale.
Send more without burning your domain. Rotate across inboxes automatically and keep your campaigns running safely at scale.
The right volume, at the right time, from the right inbox.
Inbox providers watch how you send, not just what you send. lemlist spaces emails naturally, caps volume per inbox, and sends within your prospects' timezone so your patterns always look human.
Fix what would get you flagged, before you hit send.
Before you send, Deliverability Boost checks your copy, your technical setup, and your inbox placement signals. You see exactly what to fix and why, before it reaches a single prospect.
Only send to verified addresses so bounces never damage your reputation.
Too many bounces and inbox providers flag your whole domain. lemlist verifies your list so only real, deliverable contacts make it into your campaigns.
Frequently Asked Questions
When all your volume goes through a single address, one bad signal, a spike in bounces, a spam complaint, a provider flag, and your entire outreach stops. Rotating across multiple inboxes means no single account carries all the risk, and your campaigns keep running even if one sender has a bad day.
Every email sent to an invalid address is a bounce. Too many bounces and inbox providers start treating your domain as unreliable, which means even your good emails start landing in spam. Verification protects your reputation by making sure you only contact addresses that can actually receive your emails.
Spam filters don't just look at who you are, they read what you write. Certain words, formatting patterns, and link structures are associated with spam and get flagged before a human ever sees your email. Getting your infrastructure right is only half the battle, but what you say matters too.
Emails that travel within the same provider network, Gmail to Gmail, Outlook to Outlook, are treated as more trusted by default. Fewer authentication checks, fewer spam flags, better inbox placement. Sending from a mismatched provider gives filters one more reason to be suspicious.
Beyond wasted effort, a dirty list actively damages your ability to reach anyone, including the good contacts on it. High bounce rates and spam complaints lower your sender score, which means future campaigns from the same domain land in spam even when your targeting is perfect.