Treat MIME part IDs as strings, not ints

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/Mailbox.php b/lib/Mailbox.php
index c213a4f1c..4fad6cc87 100644
--- a/lib/Mailbox.php
+++ b/lib/Mailbox.php
@@ -295,10 +295,10 @@ class Mailbox implements IMailBox {
 
 	/**
 	 * @param int $messageId
-	 * @param int $attachmentId
+	 * @param string $attachmentId
 	 * @return Attachment
 	 */
-	public function getAttachment(int $messageId, int $attachmentId): Attachment {
+	public function getAttachment(int $messageId, string $attachmentId): Attachment {
 		return new Attachment($this->conn, $this->mailBox, $messageId, $attachmentId);
 	}