Rated 5 out of 5 stars

Excellent !

Suggestion 1 - Ability to set an automatic mail moving to folder
as below :

Top sender level domain
> Domain
>> Subdomain level 1
>>> Subodmain level 2
>>>> ...
>>>>> mailbox name
>>>>>> Sender name

Example :

.net
> thunderbird
>> support

Suggestion 2 - Ability to set the "display" as "Logical group"

Top level domain
> subdomain level 1
>> subdomain level 2
>> mailbox name
>>> sender name