CipherdevNL
diff --git a/‎src/Symfony/Component/Mailer/CHANGELOG.md
Copy file name to clipboardExpand all lines: src/Symfony/Component/Mailer/CHANGELOG.md
+5Lines changed: 5 additions & 0 deletions b/‎src/Symfony/Component/Mailer/CHANGELOG.md
Copy file name to clipboardExpand all lines: src/Symfony/Component/Mailer/CHANGELOG.md
+5Lines changed: 5 additions & 0 deletions
diff --git a/‎src/Symfony/Component/Mailer/Tests/Transport/Smtp/SmtpTransportTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Mailer/Tests/Transport/Smtp/SmtpTransportTest.php
+13Lines changed: 13 additions & 0 deletions b/‎src/Symfony/Component/Mailer/Tests/Transport/Smtp/SmtpTransportTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Mailer/Tests/Transport/Smtp/SmtpTransportTest.php
+13Lines changed: 13 additions & 0 deletions
diff --git a/‎src/Symfony/Component/Mailer/Transport/Smtp/SmtpTransport.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Mailer/Transport/Smtp/SmtpTransport.php
+8-1Lines changed: 8 additions & 1 deletion b/‎src/Symfony/Component/Mailer/Transport/Smtp/SmtpTransport.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Mailer/Transport/Smtp/SmtpTransport.php
+8-1Lines changed: 8 additions & 1 deletion
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+6.1
+---
+
+* Allow manually stop() of `SmtpTransport`
+
 6.0
 ---
 
 
@@ -133,6 +133,19 @@ public function testWriteEncodedRecipientAndSenderAddresses()
         $this->assertContains("RCPT TO:<recipient@xn--exmple-cua.org>\r\n", $stream->getCommands());
         $this->assertContains("RCPT TO:<recipient2@example.org>\r\n", $stream->getCommands());
     }
+
+    public function testStop()
+    {
+        $stream = new DummyStream();
+        $envelope = new Envelope(new Address('sender@example.org'), [new Address('recipient@example.org')]);
+
+        $transport = new SmtpTransport($stream);
+        $transport->send(new RawMessage('Message 1'), $envelope);
+        $this->assertFalse($stream->isClosed());
+
+        $transport->stop();
+        $this->assertTrue($stream->isClosed());
+    }
 }
 
 class DummyStream extends AbstractStream
 
@@ -257,7 +257,14 @@ private function start(): void
         $this->getLogger()->debug(sprintf('Email transport "%s" started', __CLASS__));
     }
 
-    private function stop(): void
+    /**
+     * Manually disconnect from the SMTP server.
+     *
+     * In most cases this is not necessary since the disconnect happens automatically on termination.
+     * In cases of long-running scripts, this might however make sense to avoid keeping an open
+     * connection to the SMTP server in between sending emails.
+     */
+    public function stop(): void
     {
         if (!$this->started) {
             return;