Added code for sending email via Lua.

mail/mail.lua

@@ -0,0 +1,46 @@
+local smtp = require("socket.smtp")
+
+-- SMTP server details
+local smtp_server = "smtp.example.com"
+local smtp_port = 587
+local smtp_user = "your_username"
+local smtp_password = "your_password"
+
+-- Email details
+local from = "<your_email@example.com>"
+local to = "<recipient_email@example.com>"
+local subject = "Test Email"
+local body = "This is a test email sent from Lua."
+
+-- Email headers and message
+local message = {
+    headers = {
+        from = from,
+        to = to,
+        subject = subject
+    },
+    body = body
+}
+
+-- SMTP authentication
+local auth = smtp.login(smtp_user, smtp_password)
+
+-- Sending the email
+local result, error_message = smtp.send {
+    from = from,
+    rcpt = to,
+    source = smtp.message(message),
+    server = smtp_server,
+    port = smtp_port,
+    user = smtp_user,
+    password = smtp_password,
+    authentication = auth,
+    ssl = { enable = true, verify_cert = false }
+}
+
+if result then
+    print("Email sent successfully!")
+else
+    print("Failed to send email: " .. error_message)
+end
+