Try adding these to your sendmail.mc and recompile sendmail.cf define(`confAUTH_OPTIONS', `A')dnl TRUST_AUTH_MECH(`DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl define(`confAUTH_MECHANISMS', `DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl Tom Brown wrote: > Hi > > Default sendmail setup on a centos4.1 box - I need to send report type > mails from this machine under cron. The SMTP relay i need to use > requires user/pass so how can i send user/pass smtp auth from within > the 'default' sendmail install? Anyone know what to change in sendmail.mc > > thanks > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos