Smart Sending for Flows



The Smart Sending feature allows you to limit the number of emails someone can receive from you in a given period of time. This is a good way to prevent your subscribers and/or customers from receiving too many emails if you have many active flows and campaigns. 

When an email has Smart Sending enabled, Klaviyo will automatically check to see if that recipient has received an email from you within your account's Smart Sending period before it gets sent. If this person has received another email from you too recently, the current email to him/her will get skipped.

When an email is skipped due to Smart Sending, it will NOT automatically get rescheduled to send at a later time. This is because we realize most email sends are time sensitive. If you would like to resend an email that was skipped due to Smart Sending, you must do so manually. Once a customer enters a flow triggered by a specific event and either gets an email or is skipped (or is processed in the flow with a different outcome), the customer can not be re-queued for the flow. To reach customers that were skipped send a personal email directly to a single customer, or through a campaign for a bulk send.

How to Disable Smart Sending

Smart Sending can be adjusted by clicking the Review tab for an email within a flow. Then, find the Smart Sending section at the bottom of the window. Here, you can turn Smart Sending on or off. If you would like to turn off Smart Sending for an entire flow, you'll have to do this for each email individually.


Change the Smart Sending Timeframe

You can adjust the Smart Sending timeframe for your account by navigating to Account > Settings. Here, if you click to Settings > Email Settings you will be able to adjust your Smart Sending period within the Email Conversions & Smart Sending areaIf you use Klaviyo to send transactional emails, you can also specify whether or not you would like Smart Sending to apply to transactional emails as well.


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