Archive for August, 2015

IMAP stops working on Exchange 2013 server

I recently came across an issue with Exchange 2013 and IMAP.  We have an application that monitors a mailbox via IMAP which had suddenly stopped working.  The Microsoft Exchange IMAP4 and Microsoft Exchange IMAP4 Backend services were both started.  However when attempting to telnet to port 143 the server would close the connection.  A restart […]