Campaign's Daily Send Count
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Setting Campaign's Daily Send Count
When activating a Campaign, you can set the number of mailers that you would like to go out each day by filling in the Daily send count field:
Mailers go out every day and will be processed overnight.
If you'd like to send an entire campaign in one day, set the campaign's daily send count to a really large number that is greater than the total number of properties of your mailing campaign.
To do this, click on Edit in your Campaign, then change the number in the Daily Send Count (in the example we've selected 1,000,000) and then click Save Campaign.
Your campaign will then show the changes.