> Microsoft Outlook 365 doesn’t allow a user to specify the account name > for an imap acout, only the email address. Thus f...@smith.com > <mailto:f...@smith.com> tries to log in as “f...@smith.com > <mailto:f...@smith.com>” rather than “fred”. > > Has anyone seen a way to fix this (Microsoft help boards are silent), > perhaps by stripping the “@smith.com” during the logon procedure?
rather than trying to change the behaviour of outlook, wouldn't it be easier to just get dovecot to handle auth with the @realm part? (you can make it ignore the realm in the authdb and userdb configs)