Dear Kostya,
thanks for your fast reply, and also the explanation regarding EWS and OWA. Thought that almost same.
Talking to the IT guys is not possible, they told me there is no access from outside possible except with the companies phones with special apps running in a kind of sandbox.
But I found an URL in PC`s Outlook for access from a browser, and I tried this with several apps and methods.
Finally I brought it to run today, with another app, BL**. Obviously it is using Exchange Web Active Sync interface. It works perfect for me, even calendars are synced like hell.
But I prefer the Aquamail interfaces and functionality, and next week I will check how to bring it to run...
But first of all, thanks again for your support, and I wish you some relaxing days (if in your region the time between Christmas and New Year is also a bit more quiet...).
Best Regards
Ohm
P.S. I also would do a log, but do not know how to, you said "see below", but cannot find anything below...