Message status classificators are defined as human-readable constants.
Classificator | |
---|---|
ok | Message has been successfully delivered. |
bad-mailbox | Message recipient is non-existent, inactive or disabled. |
blocked | Delivery has been denied from Smaily (or any service). |
expired | Message delivery has taken more than maximum amount (2 days) of time. |
inbox-full | Mailbox quota overused by recipient. |
message-size | Message is too large for receiving email server. |
routing-error | Invalid (or non-existent) DNS entry or domain name. |
signature-error | Incorrectly configured SPF or invalid DKIM signature. |
spam | Message has been identified by the receiving email server as SPAM. Determined by the content or sender of message. |
transit-error | Hourly/daily sending limits exceeded, receiving system is under heavy load or undergoing maintenance. |
unknown | Message status unknown. |