Source

Deliverability infrastructure — found from sitemap — ExpertSender

Checked for ExpertSender on 13 Oct 2026

Technical details

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Cited by

Bounce reports Report an error

“This report allows you to view and analyze the delivery errors (bounces) which occurred in your messaging.”
Hard bounce auto removal Report an error

“Hard bounces arise due to nonexistent mailboxes, and they are automatically removed from the database after each send.”
Soft bounce causes Report an error

“They can be caused by the following situations: the recipient's mailbox is full message is blocked other errors (non-standard server responses)”
Soft bounce retargeting Report an error

“you can select all subscribers who returned such errors in response to a specific message and try to send them this message again.”
Bounce report columns Report an error

“Sent – the total number of messages sent within the selected period Undelivered – the number of undelivered messages”
Bounce reason categories Report an error

“User unknown – the sum of non-existent email addresses Blocked – the message was blocked by the server Mailbox Full – the recipient's mailbox reached its full capacity and no new message can be delivered Other bounces – all remaining delivery errors which cannot be classified as one of the above”
Bounce export CSV Report an error

“It is possible to to export all of the email addresses which have generated bounces of any or of a specific type in a CSV file.”
Bounce detail grouping Report an error

“You may also group the results by Domain, Message, List, and IP Address.”