There are two types of limits you can set for sending out cold emails:
Account limit
Campaign limit
For example, if you want one of your campaigns to send out 300 emails per day while ensuring that each account only sends 30 per day, you can:
Set the daily limit of the campaign to 300
Set the daily limit of each account to 30, assuming you have 10 accounts.
Campaign limit
You can set your campaign limit by going into your campaign settings:
Go to your campaign, then to Options
Scroll down to find the campaign's daily limit
Account limit
You can set the account limit by going into your account settings:
Click on the email account from the Email Accounts section.
Navigate to the Settings section in the pop-up window
Scroll down to find the "Daily Campaign limit"
The minimum wait time in the account settings allows you to set a time gap on each account level when using the same account in multiple campaigns.
You can set a minimum time gap for each account and the account will not send an email from any of the campaigns they are associated with until the sending gap (account level) gets completed.
FAQ
Q: Why is my campaign not sending enough emails?
A: If your campaign is not sending enough emails, please make sure that:
You have enough email accounts connected to this campaign to support the volume
Your sending account email volume limit is not set to fewer emails hence overriding the campaign volume limit.
"Time gap between emails" allows you to send enough emails in the specified time frame
You have enough new leads added to the campaign
Q: Will Instantly respect the account or campaign limit?
A: Account limits override the campaign limits, so if you have the campaign limit set to 500 and the account limit set to 30, assuming you connected 10 of the accounts to this campaign, it will be possible to send only 300 campaign emails per day, due to the set account limit.