mail when money transfer

functions.lua

@@ -484,8 +484,18 @@ function emeraldbank.wt_receive_fields(player, form, pressed)
 	    atm.balance[t.to] = atm.balance[t.to] + t.sum
 	    atm.write_transactions()
 	    atm.saveaccounts()
+	    if minetest.get_modpath("mail") and mail.send then
+	       mail.send({
+		     from = "Emerald Bank",
+		     to = t.to,
+		     --cc = "carbon, copy",
+		     --bcc = "blind, carbon, copy",
+		     subject = S("Payment of @1 emeralds from @2", t.sum, n),
+		     body = S("Good news!\n\n@1 has transferred @2 emeralds to your bank account using the Emerald Bank Transfer System.\n\nTransfer description:\n\n@3", n, t.sum, t.desc)
+	       })
+	    end
 	    minetest.chat_send_player(n, S("Payment of @1 to @2 completed", t.sum, t.to))
-	    minetest.chat_send_player(n, S("@1, thank you for choosing the Wire Transfer system", n))
+	    minetest.chat_send_player(n, S("@1, thank you for choosing the Emerald Bank Transfer system", n))
 	    if t.callback then -- run callbacks from mods
 	       t.callback(t)
 	    end