KMail with Office 365

Hi,
I try to set IMAP account in KMail for Office 365 as IMAP server 
outlook.office365.com, SSL/TLS port 993 and I keep getting error "A000002 NO 
AUTHENTICATE failed". Unfortunately, our IT department basically fails to 
answer if IMAP is allowed for our domain... :-/
So I try also Akonadi EWS resource selecting OAuth2 (Office 365) as login 
option. It then requires EWS URL where I try https://outlook.office365.com/
EWS/Exchange.asmx and I get the login window and enter password. Either it 
seems to pass, but the Akonadi resource setting still has OK button grayed and 
I can't continue, or I get an error "Failed to process EWS request: Access to 
limited port is prohibited in POST."
Any idea how to get Office 365 working in KMail?
Thanks,
V.

-- 
Vojtěch Zeisek
https://trapa.cz/

Komunita openSUSE GNU/Linuxu
Community of the openSUSE GNU/Linux
https://www.opensuse.org/

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