[Dovecot] big picture

[Mohsen Pahlevanzadeh]

Dear all,
You & every mail-man saw Big Picture of qmail.
I assumed qmail is black box.I want to extend big picture, i use qmail
admin ,Devocot & vpopmail.
I draw a few relation.Can you tell me whether i draw correct?Also i need
to if i didn't draw relation tell me that i will draw that.
Yours,
Mohsen