Sentences with phrase «unknown user rate»
Unknown Users: This score represents the rank of the IP address's unknown user rate compared to all other IP addresses seen by the Sender Score Reputation Network.
https://senderscore.org/
«Unknown User Rate» is a ratio of unknown users, or invalid email addresses, compared to the amount of email seen by our receiving sources.
Unknown user rates are taken directly from incoming SMTP logs of participating ISPs, tracking how often an IP address attempts to send a message to an address which does not exist.