Handling imap from outlook 365

[Brendan Braybrook]

> Microsoft Outlook 365 doesn’t allow a user to specify the account name
> for an imap acout, only the email address. Thus fred at smith.com
> <mailto:fred at smith.com> tries to log in as “fred at smith.com
> <mailto:fred at 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)