maybe not truly freebsd related

[Wojciech Puchar]

>> But yet - what graphical mail program can you recommend that have such
>> simple basic functionality of local mail support in Maildir format?
>
> Did you try googling for 'X mail client FreeBSD'?   A mere 14+ million hits.

true. and none usable. all outdated etc. did YOU checked them before 
answering?

> add 'maildir' to the search, and you get over 1.6 million .  Eliminate
> referenes to Apple, and there are still over 1.2 million hits.
>
> *LOTS* of options for you to investigate.
>
>
>