fix(pop3): if connection is closed during authentication, then do not…

… process the response. Fixes #596
nodemailer · Jan 4, 2024 · eecb31a · eecb31a
1 parent a4ae3d7
commit eecb31a
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/lib/pop3/connection.js b/lib/pop3/connection.js
@@ -390,6 +390,11 @@ class POP3Connection extends EventEmitter {
             },
             this.session,
             (err, response) => {
+                if (!this.session) {
+                    // already closed, do nothing
+                    return;
+                }
+
                 if (err) {
                     this.logger.info(
                         {
@@ -438,6 +443,7 @@ class POP3Connection extends EventEmitter {
                     username,
                     'USER'
                 );
+
                 this.session.user = response.user;
 
                 this.openMailbox(err => {