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Email status codes

Having trouble deciphering "Bounced"? Get in-depth descriptions of email status codes

Written by Christoffer

Label

Keys

Description

Sent

SENT

MAIL_EN_ROUTE

The email has left our systems and are en-route to the receiving email provider.

Processing

Processed

MAIL_PROCESSED

Email is being processed internally before being sent

Failed

MAIL_DELIVERY_FAILED

Internal processing failed

Deferred

MAIL_POSTPONED

Receiving email provider or inbox had issues receiving. Email is in-queue to retry at a later point.

Delivered

Received

MAIL_RECEIVED

Receiving email provider reported that the email was delivered to the requested inbox

Open

MAIL_OPENED

Email was opened by the receiver

Bounced

Drop

MAIL_REJECTED

Email was rejected by the receiving email provider on the domain. Either because the inbox do not exists or because of spam

Blocked

MAIL_DOMAIN_BLOCKED

The sending domain you are using is not verified in our systems.

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