fix

fs_template/email_register.tpl

@@ -1,5 +1,9 @@
 Subject: Please confirm your {{ .CompanyName }} account
 
+MIME-version: 1.0;
+Content-Type: text/html; 
+charset=\"UTF-8\";
+
 Dear {{ .UserName }},
 
 Thank you for registering an account with {{ .CompanyName }}. We are thrilled to have you join our community! 

fs_template/get_reset_password_html.tpl

@@ -1,5 +1,9 @@
 Subject: Password Reset Request for Your {{ .CompanyName }} Account
 
+MIME-version: 1.0;
+Content-Type: text/html; 
+charset=\"UTF-8\";
+
 Dear {{ .UserName }},
 
 We have received your request to reset the password for your {{ .CompanyName }} account.

server/auth/internal/logic/email_manager.go

@@ -222,7 +222,7 @@ func RenderEmailTemplate(templateName, companyName, confirmationLink, senderName
 	}
 
 	var result bytes.Buffer
-	result.Write([]byte("MIME-version: 1.0;\nContent-Type: text/html; charset=\"UTF-8\";\n\n"))
+	// result.Write([]byte("MIME-version: 1.0;\nContent-Type: text/html; charset=\"UTF-8\";\n\n"))
 	err := tpls.ExecuteTemplate(&result, templateName, data)
 	if err != nil {
 		log.Fatal(err)