Chunk Sending
Chunk sending is a sending process that allows you to send your campaign in smaller batches to optimize your deliverability and create a domain warmup process.
Once you create a campaign, you will have the choice for the process between normal sending, chunk sending or predictive sending:

After choosing Chunk Sending, configure the settings:
- Start Time
- End Time
- Days of execution
- Hourly send volume: Number of emails to be sent per hour
- Increase daily volume by: The daily percentage increase from the moment the campaign is launched.
- Daily limit: The maximum number of emails to be sent each day.

You can pause and edit a campaign if it's launched to change the Chunk Sending Settings:

Note: You can't edit the lists once you pause and edit a campaign.

After editing the campaign, make sure to update it:

- Finally, resume the campaign:




