Article
Understanding bounced emails in Klaviyo
help.klaviyo.com
Quoted on this wiki
Every place a page here uses this source, in the order the words come in it.
Type Hard or soft bounce. “Inbox provider/email domain The inbox provider experiencing the bounces.” Category The bounce category.
Frequency or volume too high Indicates the mailbox provider is unable or unwilling to process the number of messages you’re trying to send because of the large volume. “If the email still bounces, this address should remain suppressed.” Invalid sender address Occurs when your sender email address is misspelled or does not exist.
Ensure that all sending lists are compliant. “Remove or suppress unengaged profiles from your list to minimize future issues of invalid addresses bouncing at high rates.” Ensure that your default sender email address in your organization account settings is properly spelled and is an existing email.