Mickaël Guessant

Application is on Azure side, not DavMail: connect to portal.azure.com and enrole your phone with Microsoft Authenticator. Then you should be able to authenticate in DavMail with O365Modern authenticator. Note...

Well, the sample configuration is at: https://github.com/mguessan/davmail/blob/master/src/etc/davmail.properties However I strongly suggest you try DavMail in workstation mode first to validate your settings.

Outlook is a client, not a server... Question is: where is your mailbox ? If your mailbox is on Office 365 then yes you should be able to use DavMail

Seems to work here with latest standalone image on Windows : 

You are trying to connect in SSL mode to a cleartext DavMail listener. If your IMAP client requires SSL/TLS, try to create a self signed certificate and enable it in...

No this clientId is for web access, will not work as we don't have client_secret Try Outlook desktop instead: ``` davmail.oauth.clientId=d3590ed6-52b3-4102-aeff-aad2292ab01c davmail.oauth.redirectUri=urn:ietf:wg:oauth:2.0:oob ```

This may be related to another issue I just fixed: with HttpClient 4 DavMail was way too aggressive on in idle/expired connections polling. => I changed code to poll less...

Yes it might be related, and the appveyor build should always be up to date

This patch is against old HttpClient 3 code, can you please confirm if it's still relevant with HC4 ? Impacted code would be arount line 302: `exchangeUri = postLogonMethod(httpClient, postRequest,...

Special use patch merged, hopefully this is still relevant