fix: handle only one connection socket failure event

Closes mfbx9da4#35
nettbureau · Nov 24, 2021 · d0470a5 · d0470a5
1 parent 7f34d7b
commit d0470a5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/smtp/smtp.ts b/src/smtp/smtp.ts
@@ -28,7 +28,7 @@ export const checkSMTP = async (
         socket.emit('fail', 'Mail server closed connection without sending any data.')
       }
     })
-    socket.on('fail', msg => {
+    socket.once('fail', msg => {
       r(createOutput('smtp', msg))
       if (socket.writable && !socket.destroyed) {
         socket.write(`quit\r\n`)