ISPConfig multisetup loadbalancer, postfix - lmtp - proxy - dovecot on different node servers

Dear all,
Please could you so kind to tell me is it possible implement configure
and howto in multi setup installation mode to implement mail system with
loadbalancer ldirector ipvsadm heartbeat. Smtp and imap servers (postfix
dovecot) implement on different servers via lmtp protocol with smtp
and dovecot nodes over proxy and director service.
Thank in advance
Best Regards
Platamun47

 

I have to admit I do not understand your question.
Does this Tutorial answer some of your concerns?
https://www.howtoforge.com/tutorial/ispconfig-multiserver-setup-debian-ubuntu/

 

Dear Taleman,
Thank you for your reply
I try to explain by schema:

Thank you in advance.
BR.