Error in pop3 after to do upgrade

[kurgans]

When sending mail with outlook gives an error me, and log says this to me

and by webmail it gives to error when opening the port IMAP, somebody can say something to me?

Thanks

Apr 27 11:26:34 www couriertcpd: authdaemon: s_connect() failed: Connection refused
Apr 27 11:26:34 www couriertcpd: [Hint: perhaps authdaemond is not running?]
Apr 27 11:26:34 www couriertcpd: authentication error: Connection refused