NET
9 As we have said before, and now I say again, if any one is preaching to you a gospel contrary to what you received, let him be condemned to hell!
Darby
9 As we have said before, now also again I say, If any one announce to you as glad tidings [anything] besides what ye have received, let him be accursed.
KJV
9 As we said before, so say I now again, If any [man] preach any other gospel unto you than that ye have received, let him be accursed.