plugins/base: send NOOP in listMessages()

Without this, from the server PoV, we're not aware of any new
message (so we can't FETCH them).

1 files changed, 5 insertions, 0 deletions

diff --git a/plugins/base/imap.go b/plugins/base/imap.go
index 48b49df..e9636e3 100644
--- a/plugins/base/imap.go
+++ b/plugins/base/imap.go
@@ -427,9 +427,14 @@ func (msg *IMAPMessage) HasFlag(flag imap.Flag) bool {
 }
 
 func listMessages(conn *imapclient.Client, mboxName string, page, messagesPerPage int) (msgs []IMAPMessage, total int, err error) {
+	// A NOOP will ensure we notice any new message
+	noop := conn.Noop()
 	if err := ensureMailboxSelected(conn, mboxName); err != nil {
 		return nil, 0, err
 	}
+	if err := noop.Wait(); err != nil {
+		return nil, 0, err
+	}
 
 	mbox := conn.Mailbox()
 	total = int(mbox.NumMessages)