diff --git a/packages/nylas-api/routes/auth.js b/packages/nylas-api/routes/auth.js
index d0cb6949e..5cd1e2fb4 100644
--- a/packages/nylas-api/routes/auth.js
+++ b/packages/nylas-api/routes/auth.js
@@ -43,24 +43,33 @@ const buildAccountWith = ({name, email, provider, settings, credentials}) => {
   return DatabaseConnector.forShared().then((db) => {
     const {AccountToken, Account} = db;
 
-    const account = Account.build({
-      name: name,
-      provider: provider,
-      emailAddress: email,
-      connectionSettings: settings,
-      syncPolicy: SyncPolicy.defaultPolicy(),
-      lastSyncCompletions: [],
-    })
-    account.setCredentials(credentials);
+    return Account.find({
+      where: {
+        emailAddress: email,
+        connectionSettings: JSON.stringify(settings),
+      },
+    }).then((existing) => {
+      const account = existing || Account.build({
+        name: name,
+        provider: provider,
+        emailAddress: email,
+        connectionSettings: settings,
+        syncPolicy: SyncPolicy.defaultPolicy(),
+        lastSyncCompletions: [],
+      })
 
-    return account.save().then((saved) =>
-      AccountToken.create({accountId: saved.id}).then((token) =>
-        DatabaseConnector.prepareAccountDatabase(saved.id).thenReturn({
-          account: saved,
-          token: token,
-        })
-      )
-    );
+      // always update with the latest credentials
+      account.setCredentials(credentials);
+
+      return account.save().then((saved) =>
+        AccountToken.create({accountId: saved.id}).then((token) =>
+          DatabaseConnector.prepareAccountDatabase(saved.id).thenReturn({
+            account: saved,
+            token: token,
+          })
+        )
+      );
+    });
   });
 }
 
@@ -76,7 +85,6 @@ module.exports = (server) => {
       validate: {
         query: {
           client_id: Joi.string().required(),
-          n1_id: Joi.string(),
         },
         payload: {
           email: Joi.string().email().required(),
@@ -98,7 +106,11 @@ module.exports = (server) => {
       const {settings, email, provider, name} = request.payload;
 
       if (provider === 'imap') {
-        connectionChecks.push(IMAPConnection.connect({db: dbStub, settings}))
+        connectionChecks.push(IMAPConnection.connect({
+          logger: request.logger,
+          settings: settings,
+          db: dbStub,
+        }));
       }
 
       Promise.all(connectionChecks).then(() => {
@@ -187,9 +199,12 @@ module.exports = (server) => {
             client_id: GMAIL_CLIENT_ID,
             client_secret: GMAIL_CLIENT_SECRET,
           }
-
           Promise.all([
-            IMAPConnection.connect({db: {}, settings: Object.assign({}, settings, credentials)}),
+            IMAPConnection.connect({
+              logger: request.logger,
+              settings: Object.assign({}, settings, credentials),
+              db: {},
+            }),
           ])
           .then(() =>
             buildAccountWith({
diff --git a/packages/nylas-core/imap-connection.js b/packages/nylas-core/imap-connection.js
index 05e703b49..d833a7936 100644
--- a/packages/nylas-core/imap-connection.js
+++ b/packages/nylas-core/imap-connection.js
@@ -156,8 +156,6 @@ class IMAPBox {
     }
     return this._imap.closeBoxAsync(expunge)
   }
-
-
 }
 
 
@@ -178,6 +176,11 @@ class IMAPConnection extends EventEmitter {
 
   constructor({db, settings, logger = console} = {}) {
     super();
+
+    if (!(settings instanceof Object)) {
+      throw new Error("IMAPConnection: Must be instantiated with `settings`")
+    }
+
     this._logger = logger;
     this._db = db;
     this._queue = [];
diff --git a/packages/nylas-dashboard/public/js/app.jsx b/packages/nylas-dashboard/public/js/app.jsx
index bed514410..ecf7a1f7d 100644
--- a/packages/nylas-dashboard/public/js/app.jsx
+++ b/packages/nylas-dashboard/public/js/app.jsx
@@ -1,4 +1,6 @@
 /* eslint react/react-in-jsx-scope: 0*/
+/* eslint no-console: 0*/
+
 const React = window.React;
 const ReactDOM = window.ReactDOM;
 const {
diff --git a/packages/nylas-sync/sync-worker.js b/packages/nylas-sync/sync-worker.js
index 1dfb377b9..7178e59cf 100644
--- a/packages/nylas-sync/sync-worker.js
+++ b/packages/nylas-sync/sync-worker.js
@@ -108,7 +108,12 @@ class SyncWorker {
       return Promise.reject(new Error("ensureConnection: There are no IMAP connection credentials for this account."))
     }
 
-    const conn = new IMAPConnection({db: this._db, settings: Object.assign({}, settings, credentials), logger: this._logger});
+    const conn = new IMAPConnection({
+      db: this._db,
+      settings: Object.assign({}, settings, credentials),
+      logger: this._logger,
+    });
+
     conn.on('mail', () => {
       this._onConnectionIdleUpdate();
     })