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Each email provider imposes daily limits on how many emails you can send from a connected account. Sending above these limits can cause emails to be deferred, bounced, or flagged as spam. Use this reference when planning your Engage sequence volume.

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Daily sending limits by provider

These are provider-imposed limits, not Lusha limits. Lusha enforces its own sending caps to protect your deliverability - see Email limits best practices for Lusha’s recommended daily sending volumes.
Even within your provider’s limits, sending too many emails too quickly from a new or low-activity mailbox will hurt deliverability. Follow this ramp-up schedule:

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What happens if I exceed my provider’s limit?

Depending on the provider:
  • Gmail / Google Workspace -= emails over the limit are deferred until the next day’s quota resets. Sequences may appear paused.
  • Outlook / Microsoft 365 - you may receive a bounce with a 550 or 421 error code. The account may be temporarily throttled.
Consistently exceeding limits can result in your account being flagged or temporarily suspended by your email provider.

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How to check your current sending volume in Engage

1

Open Engage

Go to Engage.
2

Check the Emails Sent metric

View the Emails Sent metric for today to see how many have been sent from your connected account at the top toolbar.
3

Adjust the sequence schedule if needed

Adjust your sequence schedule if you’re approaching your provider’s limit.