Decisions are made based on:
- messages sent to a contact in the recent period
- planned campaigns a contact is targeted for and the priorities of those campaigns
- the saturation control rules that have been defined for the contact category of the contact
How far DESelect Engage looks into the past and the future, depends on the time frame that's used in the relevant rules that have been defined.
Engage always considers today as the middle of that timeframe.
So, for example, if a rule is defined that 5 campaigns can be sent per 30 days, it will look back at the sent campaigns in the last 15 days and look forward for the planned campaigns in the next 15 days.
Engage then evaluates all planned campaigns in the next 15 days for which this contact is targeted. It will reserve time slots for these campaigns when slots are available. In case the contact is targeted for more campaigns than the rules allow, slots will be reserved for the campaigns with the highest priority.
From the example above: if the contact has already received 3 campaigns in the last 15 days, according to the rules, the contact could receive max 2 more campaigns. If the contact is targeted for 4 future campaigns, the 2 available slots will be reserved for the 2 campaigns with the highest priority. The contact will be excluded from the other 2 planned campaigns with lower priority.
Some edge cases:
- What happens if I send a campaign through Journey Builder on a different date than the campaign Send Date in Engage?
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