update setting env smtp

app/Support/MailSettings.php

@@ -90,12 +90,12 @@ final class MailSettings
             $mail = Setting::where('key', 'smtp')->first();
             $setting = Setting::where('key', 'setting')->first();
 
-            if (!$mail || !$setting) {
+            $mail = $mail ? json_decode((string) $mail->value) : null;
+            if (!is_object($mail)) {
                 return null;
             }
 
-            $mail = json_decode($mail->value);
-            $company = json_decode($setting->value)->company ?? 'Your Company';
+            $company = ($setting ? json_decode((string) $setting->value)->company ?? null : null) ?: config('mail.from.name');
 
             $password = '';
             if (isset($mail->password)) {

tests/Feature/Mail/MailSettingsQueueTest.php

@@ -49,6 +49,18 @@ class MailSettingsQueueTest extends TestCase
         $this->assertSame('smtp.settings-two.test', $this->hostSeenByQueuedJob());
     }
 
+    public function test_smtp_settings_apply_without_general_setting_row(): void
+    {
+        $this->saveSmtp('smtp.settings-only.test');
+        Setting::where('key', 'setting')->delete();
+        Cache::forget(MailSettings::cacheKey());
+
+        MailSettings::apply();
+
+        $this->assertSame('smtp.settings-only.test', config('mail.mailers.smtp.host'));
+        $this->assertSame('TGS', config('mail.from.name'));
+    }
+
     public function test_system_cc_and_bcc_are_applied_without_duplicate_recipients(): void
     {
         $this->saveSmtp('smtp.settings.test');