Email provider
Web.de SMTP Error Codes and Bounce Messages
Web.de is a German free-mail provider. As with other European receivers, GDPR compliance and allowlist status carry weight.
- Codes on record
- 1
- Responses
- 10
Postmaster & documentation
SMTP 55010 responses
smtp;550 <[email protected]>: Reject due to SPF policy. The originating IP of the message is not permitted by the domain owner
smtp;550 <[email protected]>: Syntax error in parameters or arguments
smtp;550 <[email protected]>: Requested action not taken: mailbox unavailable
smtp;550 <[email protected]>: Bad DNS PTR resource record
A hard failure. The receiving server has refused the message for good and will not accept an unchanged retry without a change on the sending side. See SMTP 550 across every provider
Web.de bounce questions
›Why is Web.de bouncing my email?
Web.de is a German free-mail provider. As with other European receivers, GDPR compliance and allowlist status carry weight. Match the exact wording of your bounce to one of the 10 responses on this page to find the specific reason and fix.
›How do I improve deliverability to Web.de?
Authenticate with SPF, DKIM and DMARC, keep your sending IP and domain reputation clean, mail only engaged recipients, and honour unsubscribes. Web.de also publishes postmaster guidance, linked on this page.