← Back to context Comment by b112 5 hours ago 5xx are bounces, a perm failure. 4xx error codes are temp (retry) errors. 2 comments b112 Reply jeffbee 4 hours ago Incorrect. A bounce is a delivery status notification generated by a mailer after it has already accepted a message for delivery. A 5xx permanent error is a refusal to accept the message in the first place. TZubiri 3 hours ago Is this standarized terminology in some RFC like SMTP? Or is it presumably some well established folk lingo?
jeffbee 4 hours ago Incorrect. A bounce is a delivery status notification generated by a mailer after it has already accepted a message for delivery. A 5xx permanent error is a refusal to accept the message in the first place. TZubiri 3 hours ago Is this standarized terminology in some RFC like SMTP? Or is it presumably some well established folk lingo?
TZubiri 3 hours ago Is this standarized terminology in some RFC like SMTP? Or is it presumably some well established folk lingo?
Incorrect. A bounce is a delivery status notification generated by a mailer after it has already accepted a message for delivery. A 5xx permanent error is a refusal to accept the message in the first place.
Is this standarized terminology in some RFC like SMTP? Or is it presumably some well established folk lingo?