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| IMAIL® ANTI-SPAM X-HEADER EXPLANATIONS |
| X-Header |
Explanation |
| X-IMAIL-SPAM-ADDRBL: (name_of_service, message_ID, IP address/reason) |
The message matched an ADDR black list. |
| X-IMAIL-SPAM-DNSBL: (name_of_service, message_ID, IP address/reason) |
The message matched a DNS black list. |
| X-IMAIL-SPAM-HELOBL: (name_of_service, message_ID, IP address/reason) |
The message matched a HELO/EHLO black list. |
| X-IMAIL-SPAM-HELODOMAIN: (domain_name) |
The message failed the HELO/EHLO domain validation. |
| X-IMAIL-SPAM-INVALIDFROM: (from_address) |
The message contained an invalid "FROM" address. |
| X-IMAIL-SPAM-IP4R: (name_of_service) |
The message matched an IP4R(PTR) black list. |
| X-IMAIL-SPAM-STATISTIC: (<message ID>,<spam probobility>) |
The message has been identified as spam by the statistical filter. |
| X-IMAIL-SPAM-REVDNS: (ip_address) |
The message failed a DNS lookup based on the IP address. |
| X-IMAIL-SPAM-RHSBL: (name_of_service, message ID, IP address/reason) |
The message matched a RHS black list. |
| X-IMAIL-SPAM-PHRASE: (<message ID) |
A phrase in the message matched the phrase list. |
| X-IMAIL-SPAM-VALFROM: (<message ID>) |
The message failed the "MAIL FROM" address validation. |
| X-IMAIL-SPAM-VALREVDNS: (<message ID>) |
The message failed the reverse DNS lookup validation. |
| X-IMAIL-SPAM-VALHELO |
The message failed the HELO/EHLO domain validation. |
| X-IMAIL-SPAM-FEATURES:(<message ID>, <found features>) |
The message contained the specified HTML tags. |
| X-IMAIL-SPAM-URL-DBL:(<message ID>,<domain>) |
The message contained HREF or IMG SRC tags with links to a domain name listed in the URL Domain Black List. |
