update obsolete commands: #service_restart_request_count = 1, #vsz_limit = 256M # default

  # Number of connections to handle before starting a new process. Typically

  # the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0

  # is faster. <doc/wiki/LoginProcess.txt>

  #service_count = 1

  # is faster. <https://doc.dovecot.org/2.4.1/core/config/service.html#service_restart_request_count>

  #service_restart_request_count = 1

  # Number of processes to always keep waiting for more connections.

  #process_min_avail = 0

  # If you set service_count=0, you probably need to grow this.

  #vsz_limit = $default_vsz_limit

  # If you set service_restart_request_count=0, you probably need to grow this.

  #vsz_limit = 256M # default

}

service pop3-login {

  # Create inet listener only if you can't use the above UNIX socket

  #inet_listener lmtp {

    # Avoid making LMTP visible for the entire internet

    #address =

    #port = 

    #listen = 127.0.0.1

    #port = 24

  #}

}

service imap {

  # Most of the memory goes to mmap()ing files. You may need to increase this

  # limit if you have huge mailboxes.

  #vsz_limit = $default_vsz_limit

  #vsz_limit = 256M # default

  # Max. number of IMAP processes (connections)

  #process_limit = 1024

  }

  # Auth process is run as this user.

  #user = $default_internal_user

  #user = $SET:default_internal_user

}

service auth-worker {

  # Auth worker process is run as root by default, so that it can access

  # /etc/shadow. If this isn't necessary, the user should be changed to

  # $default_internal_user.

  # $SET:default_internal_user.

  #user = root

}