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Improve Format HELO/EHLO Name

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- [+] feat(email.go): add formatHeloName function to format HELO identifier and update getHeloName to use it
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H0llyW00dzZ 2025-04-14 15:42:54 +07:00
parent f35d9ace06
commit e83d5a0695
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1 changed files with 12 additions and 4 deletions
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16
common/message/email.go
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@ -16,20 +16,28 @@ func shouldAuth() bool {
return config.SMTPAccount != "" || config.SMTPToken != ""
}
// formatHeloName formats a string to be HELO compatible:
// - Converts to lowercase (for English compatibility)
// - Replaces spaces with hyphens
func formatHeloName(name string) string {
// Convert to lowercase and replace spaces with hyphens
return strings.ReplaceAll(strings.ToLower(name), " ", "-")
}
// getHeloName returns a HELO identifier combining system name and pod name
func getHeloName() string {
// Get pod name from environment (Kubernetes sets this automatically)
podName := os.Getenv("HOSTNAME")
// Create a HELO-compatible string (replace spaces with hyphens)
systemName := strings.ReplaceAll(config.SystemName, " ", "-")
// Format the system name to be HELO compatible
formattedName := formatHeloName(config.SystemName)
if podName != "" {
return fmt.Sprintf("%s-%s", systemName, podName)
return fmt.Sprintf("%s-%s", formattedName, podName)
}
// Fallback if not running in Kubernetes
return systemName
return formattedName
}
// SendEmail sends an email with the given subject, receiver, and content