Email Burst - Send Rate Limit

Venky Venkatesan
Venky Venkatesan
  • Updated

Overview

When managing large scale email communications with Email burst - Email sending limits play a critical role in maintaining compliance, preventing spam-like behavior, performance and deliverability.

Content:

Can Limits Be Customized?

Yes. Admins can configure send limits directly from the Riva Portal to match organizational policies and technical requirements. Admins option to set all three or one at a time. 

Rate Limit

Set the maximum number of recipients per Email Burst, per user. 
Example: A limit of 100 means only 100 recipients can be added per burst. 

Daily Limit

Set the total number of emails a user can send in one day using Email Burst. Daily limit must be > Rate limit. 
Example: A daily limit of 1,000 ensures controlled daily sending behavior.

Weekly Limit

Set the maximum number of emails per user, per week using Email Burst. Weekly limit must be > weekly limit
This helps maintain consistent email volume across days.

What If No Limit Is Set?

If no limit is configured by the admin then No restriction will be applied to the number of recipients or emails sent using Email Burst.

What Happens When the Limit Is Exceeded?

If Rate limit exceeds 

  • User will see a warning message before sending.
  • If they choose “Send Anyway,” the excess emails will be automatically scheduled to send after a 5-minute delay.

If Daily limit exceeds 

  • User will see a warning message before sending.
  • If they choose “Send Anyway,” the excess emails will be automatically scheduled to send in next business day and hours set in users outlook calendar.

If Weekly limit exceeds 

  • User will see a warning message before sending.
  • If they choose “Send Anyway,” the excess emails will be automatically scheduled to send in next business day and hours set in users outlook calendar.

How Scheduled Email Bursts Affect Daily Send Limits

When a user exceeds their daily email send limit, the system automatically schedules the remaining emails for the next available day. Importantly, scheduled bursts take priority over any new email bursts initiated that day.

Example Scenario:

  • A user's daily limit is set to 100 emails.
  • The user schedules an Email Burst with 120 recipients.
    • 100 emails are sent immediately (same day).
    • The remaining 20 emails are scheduled to send the next day.

Later that same day, the user attempts to send another Email Burst with 20 recipients.

  • Since the 20 scheduled emails are already queued for the next day, the new burst will also be deferred to send after those scheduled emails, on the next available day.