fixed 1:

bind msgm - * msg:spam:check
proc msg:spam:check {nick uhost hand text} { 
  global spamwords oppedbot
  foreach nospamchan [channels] {
    if {[channel get $nospamchan spamcheck]} {
      if {([botonchan $nospamchan]) && ([onchan $oppedbot $nospamchan]) && (![isbotnick $nick])} { 
        if {([onchan $nick $nospamchan]) && (![validuser $hand]) && (![isop $nick $nospamchan]) && (![isvoice $nick $nospamchan])} {
          foreach pattern $spamwords {
            if {[string match -nocase $pattern $text]} {
              putquick "PRIVMSG $oppedbot :spam $nospamchan $nick" 
            }
          }
        }
      }
    } 
  } 
  return 0
}

fixed 2:

bind CTCP - ACTION spam:check
proc spam:check {nick uhost hand dest key text} {
  global botnick spamwords oppedbot
  foreach nospamchan [channels] {
    if {[channel get $nospamchan spamcheck]} {
      if {([botonchan $nospamchan]) && ([onchan $oppedbot $nospamchan]) && (![isbotnick $nick])} {
        if {![validuser $hand]} {
          if {([onchan $nick $nospamchan]) && (![isop $nick $nospamchan]) && (![isvoice $nick $nospamchan])} {
            foreach pattern $spamwords {
              if {[string match -nocase $pattern $text]} { 
                putquick "PRIVMSG $oppedbot :spam $nospamchan $nick"
              }
            }
          }
        }
      } 
    } 
  }
  return 0
}