diff --git a/README.md b/README.md
index f77777b43..8a01eb8ce 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,10 @@
 
 <div align="center">
 
-<img src="https://raw.githubusercontent.com/freescout-helpdesk/freescout/master/public/img/logo-300.png" width="180" height="180" />
+<img src="https://raw.githubusercontent.com/freescout-help-desk/freescout/master/public/img/logo-300.png" width="180" height="180" />
 <br/><br/>
 
-[![PHP version](https://freescout-helpdesk.github.io/img/badges/PHP-7.1%2B-blue.svg)](https://github.com/freescout-helpdesk/freescout#requirements) [![Hits](https://hits.seeyoufarm.com/api/count/incr/badge.svg?url=https%3A%2F%2Fgithub.com%2Ffreescout-helpdesk%2Ffreescout&count_bg=%2379C83D&title_bg=%23555555&icon=&icon_color=%23E7E7E7&title=hits&edge_flat=false)](https://hits.seeyoufarm.com)
+[![PHP version](https://freescout-helpdesk.github.io/img/badges/PHP-7.1%2B-blue.svg)](https://github.com/freescout-help-desk/freescout#requirements) [![Hits](https://hits.seeyoufarm.com/api/count/incr/badge.svg?url=https%3A%2F%2Fgithub.com%2Ffreescout-helpdesk%2Ffreescout&count_bg=%2379C83D&title_bg=%23555555&icon=&icon_color=%23E7E7E7&title=hits&edge_flat=false)](https://hits.seeyoufarm.com)
 
 </div>
 
@@ -81,7 +81,7 @@ There are no minimum system requirements (CPU / RAM) – FreeScout will run on a
 
 ## Installation
 
-[Installation Guide](https://github.com/freescout-helpdesk/freescout/wiki/Installation-Guide)
+[Installation Guide](https://github.com/freescout-help-desk/freescout/wiki/Installation-Guide)
 
 Images & one-click installs:
 
@@ -89,7 +89,7 @@ Images & one-click installs:
 * [Softaculous](http://www.softaculous.com/apps/customersupport/FreeScout) (cPanel, Plesk, ISPmanager, H-Sphere, DirectAdmin, InterWorx)
 * [Fantastico](http://ff3.netenberg.com/visitors/scripts/freescout/view) (cPanel, DirectAdmin, ISP Manager, ISP Config)
 * [Cloudron](https://cloudron.io/store/net.freescout.cloudronapp.html)
-* [Ubuntu](https://github.com/freescout-helpdesk/freescout/wiki/Installation-Guide#interactive-installation-bash-script-ubuntu) (bash script)
+* [Ubuntu](https://github.com/freescout-help-desk/freescout/wiki/Installation-Guide#interactive-installation-bash-script-ubuntu) (bash script)
 
 ## Cloud Hosted
 
@@ -115,10 +115,10 @@ Don't miss news, updates and new modules!
 
 ## Contributing
 
-* [Support the project by leaving a feedback](https://github.com/freescout-helpdesk/freescout/issues/288)
-* [Development Guide](https://github.com/freescout-helpdesk/freescout/wiki/Development-Guide)
-* [Todo list](https://github.com/freescout-helpdesk/freescout/labels/help%20wanted)
-* [Translate](https://github.com/freescout-helpdesk/freescout/wiki/Translate)
+* [Support the project by leaving a feedback](https://github.com/freescout-help-desk/freescout/issues/288)
+* [Development Guide](https://github.com/freescout-help-desk/freescout/wiki/Development-Guide)
+* [Todo list](https://github.com/freescout-help-desk/freescout/labels/help%20wanted)
+* [Translate](https://github.com/freescout-help-desk/freescout/wiki/Translate)
 
 ## Screenshots
 
diff --git a/app/Mailbox.php b/app/Mailbox.php
index 89d47a855..30964a77d 100644
--- a/app/Mailbox.php
+++ b/app/Mailbox.php
@@ -977,6 +977,13 @@ public function oauthGetParam($param)
         return $this->meta['oauth'][$param] ?? '';
     }
 
+    public function outOauthEnabled()
+    {
+        return $this->oauthEnabled() 
+                && !strstr($this->out_username, '@')
+                && stristr($this->out_server, '.office365.com');
+    }
+
     public function setEmailAttribute($value)
     {
         if ($value) {
diff --git a/app/Misc/Helper.php b/app/Misc/Helper.php
index 516ce6b7d..42bab006e 100644
--- a/app/Misc/Helper.php
+++ b/app/Misc/Helper.php
@@ -1970,6 +1970,10 @@ public static function checkRequiredFunctions()
             'fpassthru (PHP)'  => function_exists('fpassthru'),
             'symlink (PHP)'    => function_exists('symlink'),
             'iconv (PHP)'      => function_exists('iconv'),
+            // If posix_isatty() function is not enabled on the server the question in the
+            // console command makes it wait infinitely and be aborted.
+            // Commands should avoid using interctive functions or use special flags.
+            //'posix_isatty (PHP)'  => function_exists('posix_isatty'),
             'pcntl_signal (console PHP)'    => function_exists('shell_exec') ? (int)\Helper::shellExec('php -r "echo (int)function_exists(\'pcntl_signal\');"') : false,
             'ps (shell)' => function_exists('shell_exec') ? \Helper::shellExec('ps') : false,
         ];
diff --git a/app/Misc/Mail.php b/app/Misc/Mail.php
index 735977c9a..979db59b3 100644
--- a/app/Misc/Mail.php
+++ b/app/Misc/Mail.php
@@ -101,10 +101,10 @@ public static function setMailDriver($mailbox = null, $user_from = null, $conver
     {
         if ($mailbox) {
             // Configure mail driver according to Mailbox settings.
-            $oauth = $mailbox->oauthEnabled();
+            $oauth = $mailbox->outOauthEnabled();
 
             // Refresh Access Token.
-            if ($oauth && !strstr($mailbox->out_username, '@')) {
+            if ($oauth) {
                 if ((strtotime($mailbox->oauthGetParam('issued_on')) + (int)$mailbox->oauthGetParam('expires_in')) < time()) {
                     // Try to get an access token (using the authorization code grant)
                     $token_data = \MailHelper::oauthGetAccessToken(\MailHelper::OAUTH_PROVIDER_MICROSOFT, [
@@ -134,7 +134,7 @@ public static function setMailDriver($mailbox = null, $user_from = null, $conver
             if ($mailbox->out_method == Mailbox::OUT_METHOD_SMTP) {
                 \Config::set('mail.host', $mailbox->out_server);
                 \Config::set('mail.port', $mailbox->out_port);
-                if ($oauth && !strstr($mailbox->out_username, '@')) {
+                if ($oauth) {
                     \Config::set('mail.auth_mode', 'XOAUTH2');
                     \Config::set('mail.username', $mailbox->email);
                     \Config::set('mail.password', $mailbox->oauthGetParam('a_token'));
diff --git a/config/app.php b/config/app.php
index b55c83066..0144bc950 100644
--- a/config/app.php
+++ b/config/app.php
@@ -18,7 +18,7 @@
     | or any other location as required by the application or its packages.
     */
 
-    'version' => '1.8.144',
+    'version' => '1.8.145',
 
     /*
     |--------------------------------------------------------------------------
diff --git a/database/migrations/2024_06_18_010101_add_index_to_threads_table.php b/database/migrations/2024_06_18_010101_add_index_to_threads_table.php
new file mode 100644
index 000000000..310c6dccf
--- /dev/null
+++ b/database/migrations/2024_06_18_010101_add_index_to_threads_table.php
@@ -0,0 +1,39 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddIndexToThreadsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        // https://github.com/freescout-help-desk/freescout/issues/4069#issuecomment-2175476858
+        Schema::table('threads', function (Blueprint $table) {
+            $table->index(['created_at']);
+        });
+        // Schema::table('conversations', function (Blueprint $table) {
+        //     $table->index(['mailbox_id', 'state', 'status'], 'conversations_id_state_status');
+        // });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('threads', function (Blueprint $table) {
+            $table->dropIndex(['created_at']);
+        });
+        // Schema::table('conversations', function (Blueprint $table) {
+        //     $table->dropIndex('conversations_id_state_status');
+        // });
+    }
+}
diff --git a/resources/views/mailboxes/connection.blade.php b/resources/views/mailboxes/connection.blade.php
index 8622cefaf..82618a658 100644
--- a/resources/views/mailboxes/connection.blade.php
+++ b/resources/views/mailboxes/connection.blade.php
@@ -85,13 +85,13 @@
                             </div>
                         </div>
                         @php
-                            $oauth_fully_enabled = ($mailbox->oauthEnabled() && strstr($mailbox->out_username, '@'));
+                            $out_oauth_enabled = $mailbox->outOauthEnabled();
                         @endphp
                         <div class="form-group{{ $errors->has('out_username') ? ' has-error' : '' }}">
                             <label for="out_username" class="col-sm-2 control-label">{{ __('Username') }}</label>
 
                             <div class="col-sm-6">
-                                <input id="out_username" type="text" class="form-control input-sized @if ($oauth_fully_enabled) disabled @endif" name="out_username" value="{{ old('out_username', $mailbox->out_username) }}" maxlength="100" @if ($mailbox->out_method == App\Mailbox::OUT_METHOD_SMTP) @endif autofocus {{-- This added to prevent autocomplete in Chrome --}}autocomplete="new-password" @if ($oauth_fully_enabled) readonly @endif>
+                                <input id="out_username" type="text" class="form-control input-sized @if ($out_oauth_enabled) disabled @endif" name="out_username" value="{{ old('out_username', $mailbox->out_username) }}" maxlength="100" @if ($mailbox->out_method == App\Mailbox::OUT_METHOD_SMTP) @endif autofocus {{-- This added to prevent autocomplete in Chrome --}}autocomplete="new-password" @if ($out_oauth_enabled) readonly @endif>
 
                                 @include('partials/field_error', ['field'=>'out_username'])
                             </div>
@@ -100,15 +100,15 @@
                             <label for="out_password" class="col-sm-2 control-label">{{ __('Password') }}</label>
 
                             <div class="col-sm-6">
-                                <input id="out_password" type="password" class="form-control input-sized @if ($oauth_fully_enabled) disabled @endif" name="out_password" value="{{ old('out_password', $mailbox->outPasswordSafe()) }}" maxlength="255" @if ($mailbox->out_method == App\Mailbox::OUT_METHOD_SMTP) @endif autofocus {{-- This added to prevent autocomplete in Chrome --}}autocomplete="new-password" @if ($oauth_fully_enabled) readonly @endif>
+                                <input id="out_password" type="password" class="form-control input-sized @if ($out_oauth_enabled) disabled @endif" name="out_password" value="{{ old('out_password', $mailbox->outPasswordSafe()) }}" maxlength="255" @if ($mailbox->out_method == App\Mailbox::OUT_METHOD_SMTP) @endif autofocus {{-- This added to prevent autocomplete in Chrome --}}autocomplete="new-password" @if ($out_oauth_enabled) readonly @endif>
 
                                 <p class="form-help">
-                                    <small @if ($mailbox->oauthGetParam('provider') == \MailHelper::OAUTH_PROVIDER_MICROSOFT) class="text-success" @endif>Microsoft Exchange</small> 
+                                    <small @if ($mailbox->oauthGetParam('provider') == \MailHelper::OAUTH_PROVIDER_MICROSOFT && $out_oauth_enabled) class="text-success" @endif>Microsoft Exchange</small> 
                                     @if (!$mailbox->oauthEnabled())
                                         @if ($mailbox->out_username && $mailbox->out_password && !strstr($mailbox->out_username, '@'))
                                              – <a href="{{ route('mailboxes.oauth', ['id' => $mailbox->id, 'provider' => \MailHelper::OAUTH_PROVIDER_MICROSOFT, 'in_out' => 'out']) }}" target="_blank">{{ __('Connect') }}</a>
                                         @endif
-                                    @elseif ($mailbox->oauthGetParam('provider') == \MailHelper::OAUTH_PROVIDER_MICROSOFT && $oauth_fully_enabled)
+                                    @elseif ($mailbox->oauthGetParam('provider') == \MailHelper::OAUTH_PROVIDER_MICROSOFT && $out_oauth_enabled)
                                          – <a href="{{ route('mailboxes.oauth_disconnect', ['id' => $mailbox->id, 'provider' => \MailHelper::OAUTH_PROVIDER_MICROSOFT, 'in_out' => 'out']) }}">{{ __('Disconnect') }}</a>
                                     @endif
                                     <small>(<a href="{{ config('app.freescout_repo') }}/wiki/Connect-FreeScout-to-Microsoft-365-Exchange-via-oAuth" target="_blank">{{ __('Help') }}</a>)</small>