Very long authorization and acceptance of incoming (Postfix+Dovecot+PostGrey)?

Question

Mail server

Hi all!
Faced timeouts connecting to the server during authorization, receiving incoming emails.
Greylisting is enabled.

Answer 1

There is an error from this:
warning: do not list domain mysite.ru in BOTH mydestination and virtual_alias_domains
in main.conf, here is a line about this
mydestination = $myhostname, localhost.$mydomain, localhost