search for: user24

...h=86400 doveadm(user02 at domain2.example.org): Debug: auth input: user=user02 at domain2.example.org proxy host=10.129.3.190 proxy_refresh=86400 doveadm(user23 at domain1.example.org): Debug: auth input: user=user23 at domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user24 at domain1.example.org): Debug: auth input: user=user24 at domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user01 at domain3.example.org): Debug: auth input: user=user01 at domain3.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user25 at domain1.exam...

I had our production systems running on rc23, however we ran into problems when the server was under heavy load. Eventually, the server would begin to freeze all imap connection after authentication (according to the logs). A user would connect, authentication would succeed, and then the connection would sit until timing out. No error logs were produced. Upgrading to rc24 did not