Can Mutt work with an Exchange account?
https://technet.microsoft.com/en-us/library/jj657728%28v=exc...
"By default, POP3 and IMAP4 are disabled in Microsoft Exchange Server 2013. To support POP3 clients that still rely on these protocols, you need to start two POP3 services: the Microsoft Exchange POP3 service and the Microsoft Exchange POP3 Backend service. To support IMAP4 clients that still rely on these protocols, you need to start two IMAP4 services: the Microsoft Exchange IMAP4 service and the Microsoft Exchange IMAP4 Backend service."