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| public:emai:malware [2023-03-09 09:43] – [Monitoring and filtering agenda] vesely | public:emai:malware [2023-03-09 09:45] – [Monitoring and filtering agenda] vesely |
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| * [[:public:emai:malware#spf_bad_alignment|SPF bad alignment]] - <font inherit/inherit;;#f39c12;;inherit>[Covert sender]</font> - verify the authenticity of the domain sending the email by using two diffrenent header signatures in the message. | * [[:public:emai:malware#spf_bad_alignment|SPF bad alignment]] - <font inherit/inherit;;#f39c12;;inherit>[Covert sender]</font> - verify the authenticity of the domain sending the email by using two diffrenent header signatures in the message. |
| * [[:public:emai:malware#bad_dmarc|Bad DMARC]] - <font inherit/inherit;;#f39c12;;inherit>[Bad DMARC]</font> - the sender's domain does not have DMARC record and SPF set properly. | * [[:public:emai:malware#bad_dmarc|Bad DMARC]] - <font inherit/inherit;;#f39c12;;inherit>[Bad DMARC]</font> - the sender's domain does not have DMARC record and SPF set properly. |
| * [[:public:emai:malware#bad_dmarc|Bad ARC]] - <font inherit/inherit;;#f39c12;;inherit>[Suspicious - bad ARC]</font> - the sender's email has ARC Seal but it's validation did not succed (e.g. invalid calculated email hash). | * [[:public:emai:malware#arc|Bad ARC]] - <font inherit/inherit;;#f39c12;;inherit>[Suspicious - bad ARC]</font> - the sender's email has ARC Seal but it's validation did not succed (e.g. invalid calculated email hash). |
| * [[:public:emai:malware#ip_reputation_database_-_dnsbl|DNSBL listed]] - <font inherit/inherit;;#f39c12;;inherit>[IP reputation - DNSBL listed]</font> - the sender's IP is listed in SPAM database. | * [[:public:emai:malware#ip_reputation_database_-_dnsbl|DNSBL listed]] - <font inherit/inherit;;#f39c12;;inherit>[IP reputation - DNSBL listed]</font> - the sender's IP is listed in SPAM database. |
| * [[:public:emai:malware#suspicious_newsletter|Suspicious Newsletter]] - <font inherit/inherit;;#f39c12;;inherit>[Newsletter]</font> - it may be found that certain newsletters are suspicious because they may actually be spam under the disguise of newsletters. | * [[:public:emai:malware#suspicious_newsletter|Suspicious Newsletter]] - <font inherit/inherit;;#f39c12;;inherit>[Newsletter]</font> - it may be found that certain newsletters are suspicious because they may actually be spam under the disguise of newsletters. |