For high-volume recruiting, we have made available a
dedicated email infrastructure
to allow for hundreds to thousands of emails per day.For Growth and above plans, our users will be able to
configure multiple email inboxes to massively contacts candidates
. 
Our email infrastructure:
- warms the email up (recommended 14 days),
- measures the deliverability (recommended above 95%)
- schedules the emails during working hours to ensure they land in the candidate's inbox (you can set your timezone in Settings)
Please let us know if you have any questions.