lib-storage: Don't try to add attachment flags for readonly mailboxes

diff --git a/src/lib-storage/index/index-mail.c b/src/lib-storage/index/index-mail.c
index 2f5f8a30eb67aaeec796746c02ff37614af6bc67..3c70bd96313e134221d1d6cded6e02b67c836201 100644 (file)
--- a/src/lib-storage/index/index-mail.c
+++ b/src/lib-storage/index/index-mail.c
@@ -125,6 +125,7 @@ index_mail_want_attachment_keywords_on_fetch(struct index_mail *mail)
 
        return mail_set->parsed_mail_attachment_detection_add_flags &&
                !mail_set->parsed_mail_attachment_detection_no_flags_on_fetch &&
+               !mailbox_is_readonly(mail->mail.mail.box) &&
                !mail_has_attachment_keywords(&mail->mail.mail);
 }