improve logging, bump deps

Author: NickOvt

.eslintrc

@@ -7,6 +7,6 @@
     },
     "extends": ["nodemailer", "prettier"],
     "parserOptions": {
-        "ecmaVersion": 2018
+        "ecmaVersion": 2020
     }
 }

lib/smtp-interface.js

@@ -289,6 +289,20 @@ class SMTPInterface {
                             return setImmediate(() => callback(err));
                         }
 
+                        let hostname = '[' + session.remoteAddress + ']';
+                        if (session.clientHostname && session.clientHostname.charAt(0) !== '[') {
+                            hostname = session.clientHostname + hostname;
+                        }
+
+                        log.info(
+                            this.logName,
+                            'CONNECTION id=%s src=%s:%s tlsProtocol=%s',
+                            session.id,
+                            hostname,
+                            session.remotePort,
+                            session?.tlsOptions?.version || 'No TLS'
+                        );
+
                         plugins.handler.runHooks('smtp:connect', [session], err => {
                             if (err) {
                                 return setImmediate(() => callback(err));
@@ -351,16 +365,8 @@ class SMTPInterface {
 
                 this.server = new SMTPServer(serverConfig);
 
-                this.server.on('connect', data => {
-                    let hostname = '[' + data.remoteAddress + ']';
-                    if (data.clientHostname && data.clientHostname.charAt(0) !== '[') {
-                        hostname = data.clientHostname + hostname;
-                    }
-                    log.info(this.logName, 'CONNECTION id=%s src=%s:%s', data.id, hostname, data.remotePort);
-                });
-
                 this.server.on('error', err => {
-                    log.error(this.logName, 'SERVERR error=%s', err.message);
+                    log.error(this.logName, 'SERVERR error=%s debug=%s', err.message, JSON.stringify(err));
                 });
 
                 plugins.handler.runHooks('smtp:init', [this], () => callback());