on *:start: {
  /server irc.servername.com
  /server -m irc.servername2.com
  /server -m itc.servername3.com
}

on *:connect: {
  if ($server == irc.servername.com) {
    /nickserv identify password
    /join #chan1
    /join #chan2
    /join #chan3
  }
  elseif ($server == irc.servername2.com) {
    /nickserv identify password
    /join #chan1
    /join #chan2
    /join #chan3
  }
  elseif ($server == irc.servername3.com) {
    /nickserv identify password
    /join #chan1
    /join #chan2
    /join #chan3
  }
}