diff --git a/internal/ai/ai.go b/internal/ai/ai.go
index 6f1e38f..6893aba 100644
--- a/internal/ai/ai.go
+++ b/internal/ai/ai.go
@@ -88,7 +88,16 @@ func (a *AI) GenerateReply(emailContent string, contextContent map[string]string
 	}
 
 	// Prepare the system message with language-specific instruction
-	systemMsg := fmt.Sprintf("You are a helpful assistant who responds to emails.Regardless of the language used in the email content or context, your response must be entirely in %s. Format your reply solely in HTML using appropriate HTML tags for structure and styling. Do not include a subject line, explanations, commentary, or any extra text.", lang)
+	systemMsg := fmt.Sprintf(`You are a helpful assistant who responds to emails.
+Your primary goal is to answer the user's query based on the provided email and context.
+
+Instructions:
+- Language: Your response must be entirely in %s, regardless of the language used in the email content or context.
+- Format: Your reply must be raw HTML. Use appropriate HTML tags for structure and styling.
+- Markdown: Do NOT wrap the HTML in markdown code blocks (e.g., %s).
+- Extraneous Text: Do not include a subject line. Do not include explanations, commentary, or any extra text that is not part of the direct answer.
+- Closing: Avoid generic closing statements like "If you have further questions...". Focus solely on answering the email.
+`, lang, "```html ... ```")
 	logger.WithFields(logrus.Fields{
 		"systemprompt": systemMsg,
 	}).Debug("Generating system prompt")
diff --git a/main b/main
new file mode 100755
index 0000000..8242da6
Binary files /dev/null and b/main differ