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Web.de

Web.de is a search engine and email provider, headquartered in Germany. Eurproean receivers tend to have high expectations for GDPR legal complaince, and in some cases email deliverability is aided when the sender is included in high profile "whitelists" and certification programs.

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550All 550 codes →

smtp;550 <example@example.com>: Reject due to SPF policy. The originating IP of the message is not permitted by the domain owner

smtp;550 <example@example.com>: Syntax error in parameters or arguments

smtp;550 <example@example.com>: Requested action not taken: mailbox unavailable

smtp;550 <example@example.com>: Bad DNS PTR resource record

smtp;550 <example@example.com>: Reject due to policy restrictions (header based)

smtp;550 <example@example.com>: Reject due to policy restrictions (domain based)

smtp;550 <example@example.com>: Reject due to policy restrictions (IP based)

smtp;550 <example@example.com>: Requested mail action aborted: exceeded storage allocation, Quota exceeded

smtp;550 <example@example.com>: IP address is block listed

smtp;550 <example@example.com>: Invalid DNS MX or A/AAAA resource record

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