# email.delivery_delayed: temporary failure, monitor, do not punish
The email could not be delivered due to a temporary issue. Resend retries these automatically. If delivery ultimately fails after retries, you will get `email.bounced`.
## What to do on receipt
1. Log it against the `email_id` as a transient state. Common causes: recipient's inbox full, receiving server transient issue.
2. Check the subtype when present: MailboxFull, MessageTooLarge, ContentRejected, AttachmentRejected, or General. MessageTooLarge and ContentRejected will not resolve on their own; MailboxFull often will.
3. Watch, do not act. If it resolves, `email.delivered` follows. If it does not, `email.bounced` follows.
## The trap
Treating a soft bounce like a hard bounce and removing the address from your list. A full inbox is not a dead address. The other trap is the reverse: ignoring repeated delivery_delayed events for the same address. One is noise; a pattern means the address or your content has a real problem.