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What does this bounce message mean?
Paste the bounce text below, or browse the codes we recognise from Gmail, Microsoft and Yahoo.
gmail
- 5.7.26 Gmail rejected the message because it is not authenticated: it passed neither SPF nor DKIM for your domain, or it failed your DMARC policy.
- 4.7.26 Gmail is deferring the message because it is not authenticated with SPF or DKIM.
- 5.7.40 Gmail rejected the message because it did not meet Gmail's sender authentication requirements for your domain.
- 5.7.27 Gmail rejected the message because SPF did not pass for the sending domain.
- 4.7.27 Gmail is deferring the message because SPF did not pass.
- 5.7.30 Gmail rejected the message because DKIM did not pass.
- 4.7.30 Gmail is deferring the message because DKIM did not pass.
- 5.7.25 Gmail rejected the message because the sending IP address has no reverse DNS (PTR) record.
- 4.7.25 Gmail is deferring the message because the sending IP address has no matching reverse DNS (PTR) record.
- 4.7.28 Gmail is rate-limiting mail from you because of an unusual rate of unsolicited mail.
- 5.7.28 Gmail blocked the message because of an unusual rate of unsolicited mail.
- 5.7.1 Gmail refused the message on policy grounds, often because it looks like spam or the sender's reputation is low.
- 4.7.0 Gmail is temporarily deferring the message, often because of suspicious traffic or a TLS problem.
microsoft
- 5.7.515 Microsoft rejected the message because your domain does not meet its required authentication level for bulk senders.
- 5.7.509 Microsoft rejected the message because it failed DMARC and your domain's policy is p=reject.
- 5.7.511 Microsoft has banned the sender. Delisting requires a request to Microsoft.
- 5.7.501 Microsoft refused the message because of spam or abuse from the sender.
- 5.7.1 Microsoft refused delivery on policy grounds.
yahoo
- 5.7.9 Yahoo did not accept the message for policy reasons, usually missing or failing authentication.
- TS03 Yahoo is permanently deferring mail from this sender.
- TSS04 Yahoo is temporarily deferring mail because of unexpected volume or user complaints.
- 4.7.0 Yahoo is temporarily deferring the message.
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