Help and FAQs. Reference for getting unstuck.
Setup walkthroughs, reputation explainers, troubleshooting steps and the provider rules for Gmail, Yahoo and Microsoft, in plain English.
Mailbox onboarding: the six settings that matter
Every warmup setting, on the screen you set it on, with what to pick.
How to warm up an email account: your first week
Setup, defaults, and what to expect in your first week.
Sender reputation score, explained
What the score is made of, who keeps one, whether it is public, how to check it at Gmail and Microsoft, and how to raise it.
Email warmup not working? Common issues, fixed
Score stuck, ramp not advancing, mailbox kicked offline.
SPF, DKIM, and DMARC explained
The three records receivers check first, in plain English.
How to warm up multiple domains
Warm a domain fleet in parallel, with an AI Agent per inbox, without burning any.
How to get off an email blacklist
Find the list, fix the cause, get delisted, then re-warm to recover.
How to fix a damaged sender reputation
The recovery ladder: stop the bleeding, fix the cause, re-warm at reduced volume.
What is a good open rate for cold email?
The 50% bar, why open tracking misleads, and what a Gmail-only drop means.
Is a high bounce rate hurting my deliverability?
Yes, above 2%. Hard vs soft bounces and the bounce-reputation spiral.
How to test email deliverability
Placement tests, Postmaster Tools, auth and blacklist checks, ranked by what they prove.
What is inbox placement rate?
The metric delivery rate hides, how seed lists measure it, and the 90% target.
What is a good spam complaint rate?
Stay under 0.1%, never touch 0.3%. Google's enforced thresholds explained.
Read enough? See where your mail lands today.
A Free Deliverability Test shows inbox, promotions, or spam per provider, with what to fix first. Or book a demo and we connect a mailbox live.