diff --git a/lib/Service/MailTransmission.php b/lib/Service/MailTransmission.php
index 480c4164a2..e38f2013ed 100644
--- a/lib/Service/MailTransmission.php
+++ b/lib/Service/MailTransmission.php
@@ -143,6 +143,7 @@ public function sendMessage(Account $account, LocalMessage $localMessage): void
 		try {
 			$mail->send($transport, false, false);
 			$localMessage->setRaw($mail->getRaw(false));
+			$localMessage->setStatus(LocalMessage::STATUS_RAW);
 		} catch (Horde_Mime_Exception $e) {
 			$this->logger->error($e->getMessage(), ['exception' => $e]);
 			if (in_array($e->getCode(), self::RETRIABLE_CODES, true)) {