The send volume is low compared to what I’m expecting. Some emails are getting blocked when being sent.

You can increase the number of emails sent per hour and increase the send windows. However, there are some email providers that block emails from being sent too quickly. So manage the send intervals for these accounts carefully.

You can increase the number of emails sent per hour and increase the send windows. However, there are some email providers that block emails from being sent too quickly. So manage the send intervals for these accounts carefully.

We suggest using Google G Suite or Office 365 Outlook if possible, to maximize deliverability and also to increase the number of emails being sent each day.