diff --git a/src/Symfony/Component/Mailer/Transport/Smtp/Stream/AbstractStream.php b/src/Symfony/Component/Mailer/Transport/Smtp/Stream/AbstractStream.php index 5d9e2715c3f3d..1d7d1b0177f4a 100644 --- a/src/Symfony/Component/Mailer/Transport/Smtp/Stream/AbstractStream.php +++ b/src/Symfony/Component/Mailer/Transport/Smtp/Stream/AbstractStream.php @@ -74,6 +74,9 @@ public function readLine(): string if ($metas['timed_out']) { throw new TransportException(sprintf('Connection to "%s" timed out.', $this->getReadConnectionDescription())); } + if ($metas['eof']) { + throw new TransportException(sprintf('Connection to "%s" has been closed unexpectedly.', $this->getReadConnectionDescription())); + } } return $line;
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