{

my $ConcurrencyLimit = $imap{ConcurrencyLimit} || '400';
my $ConcurrencyLimitPerIP = $imap{ConcurrencyLimitPerIP} || '12';
my $ProcessMemoryLimit = $imap{ProcessMemoryLimit} || '256000000';

$OUT .=<<"END";

service imap {
  process_limit = $ConcurrencyLimit
  vsz_limit = $ProcessMemoryLimit
}
protocol imap {
  mail_max_userip_connections = $ConcurrencyLimitPerIP
}
END

}
