Warm-up planner

A ramp that counts days and ignores what comes back is why senders get filtered in the second week and keep sending into it. This builds the schedule to the volume you need, splits each day across the providers you actually send to, and names the condition that has to hold before you take the next step.

• Gmail and Yahoo both draw the line at 0.3%. Gmail advises staying under 0.1%. Microsoft and Apple publish no complaint threshold at all, so nothing here invents one for them.
• The percentages are not the same measurement. Gmail counts reports against mail delivered to the inbox of engaged recipients. Yahoo counts against all inbox mail. Microsoft counts against accepted recipients, and a sending platform counts against mail sent. The same behaviour produces four different numbers, so they are never averaged into one figure here.
• The green, yellow and red in SNDS are not complaint rates. They report how much of the mail from an address Microsoft classified as spam: green is under 10%, red is over 90%.
• The volumes are a route, not a rule. The three paces differ in how fast volume compounds, not in shape. Pick on the history behind the domain, not on how quickly you would like to arrive.
• Going back is part of the plan. Getting filtered partway through is the case a plain day count has no answer for, so the check-in above names the day to return to and how long to hold there before resuming.