How inboxes are warmed, authenticated, tested and connected, written plainly. No invented statistics: where a number matters, the guide links its public source.
. 6 min read
The two ways sequencers connect Google accounts, why Google sign-in is the one to use, what to have ready, how to fix a sign-in that fails, and what to set once the inbox is connected.
. 6 min read
What warm-up does for a new domain and inbox, how long it commonly takes, the signs that it is working, and what to do once it is done.
. 6 min read
The arithmetic from emails a day to inboxes, domains and monthly cost, with a worked table, how follow-ups change the total and how much headroom to keep.
. 6 min read
What a placement test measures, how to read results by provider and outcome, why a daily series beats a single test, and what to do with what you find.
. 7 min read
A fair comparison of buying pre-warmed inboxes and warming your own: the time each takes, what you pay for, who controls what, the risks, and a checklist to decide.
. 7 min read
What each record does, example values for a Google Workspace domain, the mistakes that break them, how to check them, and what Gmail, Yahoo and Outlook.com require of bulk senders.