On Fri, 11 Mar 2005 07:58:57 +0000, William John Murray <w.murray@xxxxxxxx> wrote: > Hello again, > I have been stuck, able to 'send email' from mail clients, > unable to use sendmail for systems logs etc. I think dns is OK, but > still get errors dsn 5.6.0 stat="Data Format Error" Did you check the maillogs,add the entry for mail.err in syslog.conf/ entry will be like this mail.err /var/log/mail/errors create a file errors under the /var/log/mail. Check both the maillogs and errors You will able to trace the problem or hopefully make a step further. I am using Postfix so knows more about postfix . Regards Ankush