dovecot - Jul 2018 - Failing connections. Warning: Auth process not responding, delayed ..

can?t access mail after some upgrades. Everything else seems to be working - but
dovecot seems to have caught a problem.


Jul  3 09:03:35 zeus dovecot[310]: imap-login: Warning: Auth process not
responding, delayed sending initial response (greeting): user=<>,
rip=5.188.207.15, lip=192.168.0.15, session=<4Wk9wBNw1AAFvM8P>
Jul  3 09:03:41 zeus dovecot[310]: imap-login: Warning: Auth process not
responding, delayed sending initial response (greeting): user=<>,
rip=127.0.0.1, lip=127.0.0.1, TLS, session=<iS2fwBNwOgB/AAAB>
Jul  3 09:03:41 zeus dovecot[310]: imap-login: Warning: Auth process not
responding, delayed sending initial response (greeting): user=<>,
rip=127.0.0.1, lip=127.0.0.1, TLS, session=<8CagwBNwOwB/AAAB>
Jul  3 09:03:41 zeus dovecot[310]: imap-login: Warning: Auth process not
responding, delayed sending initial response (greeting): user=<>,
rip=127.0.0.1, lip=127.0.0.1, TLS, session=<FWugwBNwPAB/AAAB>
Jul  3 09:03:41 zeus dovecot[310]: imap-login: Warning: Auth process not
responding, delayed sending initial response (greeting): user=<>,
rip=127.0.0.1, lip=127.0.0.1, TLS, session=<aZigwBNwPQB/AAAB>
Jul  3 09:03:42 zeus dovecot[310]: imap-login: Disconnected (disconnected before
auth was ready, waited 17 secs): user=<>, rip=5.188.207.15,
lip=192.168.0.15, session=<4Wk9wBNw1AAFvM8P>

Can?t for the life of me see the problem



 robert$ dovecot -n

# 2.2.16: /usr/local/etc/dovecot/dovecot.conf
# OS: Darwin 17.6.0 x86_64  hfs
auth_debug = yes
auth_debug_passwords = yes
auth_mechanisms = plain login
auth_verbose = yes
auth_verbose_passwords = plain
default_internal_user = _dovecot
default_login_user = _dovenull
mail_debug = yes
mail_location = maildir:/var/mail/vhosts/%d/%n
mail_max_userip_connections = 30
mail_privileged_group = mail
namespace inbox {
  inbox = yes
  location = 
  mailbox Drafts {
    special_use = \Drafts
  }
  mailbox Junk {
    special_use = \Junk
  }
  mailbox Sent {
    special_use = \Sent
  }
  mailbox "Sent Messages" {
    special_use = \Sent
  }
  mailbox Trash {
    special_use = \Trash
  }
  prefix = 
  separator = /
}
passdb {
  args = /usr/local/etc/dovecot/dovecot-sql.conf.ext
  driver = sql
}
passdb {
  args = %s
  driver = pam
}
postmaster_address = postmaster at quanio.net
service auth-worker {
  user = vmail
}
service auth {
  executable = /usr/local/libexec/dovecot/auth
  unix_listener /var/spool/postfix/private/auth {
    group = _postfix
    mode = 0666
    user = _postfix
  }
  unix_listener auth-userdb {
    mode = 0600
    user = vmail
  }
  user = _dovecot
}
service imap-login {
  executable = /usr/local/libexec/dovecot/imap-login
  inet_listener imap {
    address = *
    port = 143
  }
  inet_listener imaps {
    address = *
    port = 993
    ssl = yes
  }
  process_limit = 128
}
service imap {
  executable = /usr/local/libexec/dovecot/imap
  process_limit = 128
}
service lmtp {
  unix_listener /var/spool/postfix/private/dovecot-lmtp {
    group = _postfix
    mode = 0660
    user = _postfix
  }
  unix_listener lmtp {
    group = _postfix
    mode = 0600
    user = _postfix
  }
}
service pop3-login {
  executable = /usr/local/libexec/dovecot/pop3-login
  inet_listener pop3 {
    address = *
    port = 110
  }
  inet_listener pop3s {
    address = *
    port = 995
    ssl = yes
  }
  process_limit = 128
}
service pop3 {
  executable = /usr/local/libexec/dovecot/pop3
  process_limit = 128
}
ssl_cert = </etc/letsencrypt/live/robert-chalmers.uk/fullchain.pem
ssl_cipher_list = HIGH:!LOW:!SSLv2:!EXP:!aNULL at STRENGTH
ssl_key = </etc/letsencrypt/live/robert-chalmers.uk/privkey.pem
ssl_prefer_server_ciphers = yes
ssl_require_crl = no
userdb {
  args = uid=vmail gid=vmail home=/var/mail/vhosts/%d/%n
  driver = static
}
userdb {
  driver = passwd
}
verbose_ssl = yes
protocol lmtp {
  mail_plugins = 
}
protocol lda {
  mail_plugins = " sieve"
  postmaster_address = postmaster at robert-chalmers.uk
}
zeus:LaunchAgents robert$ 



Robert Chalmers
https://robert-chalmers.uk
author at robert-chalmers.uk
@R_A_Chalmers