diff --git a/imap-core/lib/imap-server.js b/imap-core/lib/imap-server.js
index 10b4a460..991c609d 100644
--- a/imap-core/lib/imap-server.js
+++ b/imap-core/lib/imap-server.js
@@ -237,7 +237,7 @@ class IMAPServer extends EventEmitter {
                         if (params[1]) {
                             socketOptions.remoteAddress = params[1].trim().toLowerCase();
 
-                            socketOptions.ignore = this.options.ignoredHosts && this.options.ignoredHosts.includes(socket.remoteAddress);
+                            socketOptions.ignore = this.options.ignoredHosts && this.options.ignoredHosts.includes(socketOptions.remoteAddress);
 
                             if (!socketOptions.ignore) {
                                 this.logger.info(
diff --git a/lib/pop3/server.js b/lib/pop3/server.js
index dab495cf..8c6e05e1 100644
--- a/lib/pop3/server.js
+++ b/lib/pop3/server.js
@@ -294,7 +294,7 @@ class POP3Server extends EventEmitter {
                         if (params[1]) {
                             socketOptions.remoteAddress = params[1].trim().toLowerCase();
 
-                            socketOptions.ignore = this.options.ignoredHosts && this.options.ignoredHosts.includes(socket.remoteAddress);
+                            socketOptions.ignore = this.options.ignoredHosts && this.options.ignoredHosts.includes(socketOptions.remoteAddress);
 
                             if (!socketOptions.ignore) {
                                 this.logger.info(