[Dovecot] Right way to Dovecot Load Balance

[Proskurin Kirill]

Hello.

I building LB&HA Email cluster based on Exim+Dovecot+LDAP.
Now I thinking what the most right way to LB Dovecot(2 nodes with shared 
storage).

HA-Proxy? Dovecot Proxy? Nginx? Else?

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Best regards,
Proskurin Kirill