{"record":{"id":"62ae48f369c92fcc","repo":"Billionmail/BillionMail","slug":"postfix-service-postfix-billionmail-configuratio","errorCode":null,"errorMessage":"Postfix service 'postfix-billionmail' configuration does not exist","messagePattern":"Postfix service 'postfix-billionmail' configuration does not exist","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"core/internal/service/multi_ip_domain/config_manager.go","lineNumber":616,"sourceCode":"\t\t}\n\n\t\tcustomNet[\"ipam\"] = ipamConfig\n\n\t\tnetworks[networkName] = customNet\n\t}\n\n\treturn nil\n}\n\n// rebuildPostfixServiceNetworks Rebuild network configuration for Postfix service\nfunc (m *ConfigManager) rebuildPostfixServiceNetworks1(dockerConfig map[string]interface{}, configs []map[string]interface{}) error {\n\tservices, ok := dockerConfig[\"services\"].(map[string]interface{})\n\tif !ok {\n\t\treturn fmt.Errorf(\"missing 'services' section in docker-compose.yml\")\n\t}\n\tpostfixService, ok := services[\"postfix-billionmail\"].(map[string]interface{})\n\tif !ok {\n\t\treturn fmt.Errorf(\"Postfix service 'postfix-billionmail' configuration does not exist\")\n\t}\n\n\t// Create a new network mapping, starting with the default network\n\tnewNetworks := map[string]interface{}{\n\t\t\"billionmail-network\": map[string]interface{}{\n\t\t\t\"aliases\": []string{\"postfix\"},\n\t\t},\n\t}\n\n\t// Add all active custom networks\n\tfor _, config := range configs {\n\t\tnetworkName := gconv.String(config[\"network_name\"])\n\t\tpostfixIP := gconv.String(config[\"postfix_ip\"])\n\t\talias := gconv.String(config[\"aliases\"])\n\n\t\tif networkName == \"\" || postfixIP == \"\" || alias == \"\" {\n\t\t\tcontinue\n\t\t}","sourceCodeStart":598,"sourceCodeEnd":634,"githubUrl":"https://github.com/Billionmail/BillionMail/blob/fc36c76c050c3775c5e899faf7403cf0262d2744/core/internal/service/multi_ip_domain/config_manager.go#L598-L634","documentation":"Type assertion guard in rebuildPostfixServiceNetworks1: the services map was found, but the value under 'postfix-billionmail' is not a map[string]interface{} (either absent or a scalar/sequence). The Postfix service configuration needed for network rewriting therefore does not exist in usable form.","triggerScenarios":"Thrown at core/internal/service/multi_ip_domain/config_manager.go:616 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Confirm the compose file defines postfix-billionmail as a proper service mapping (not null or a list item)","Restore the service definition from a known-good compose template","Guard the lookup with a descriptive error that includes the actual type found"],"exampleFix":null,"handlingStrategy":"type-guard","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"fc36c76c050c3775c5e899faf7403cf0262d2744","analyzedAt":"2026-09-05T21:28:54.019Z","contentChangedAt":"2026-09-05T21:28:54.019Z","schemaVersion":2},"datasetVersion":"2026-09-12T22:17:10.623Z"}