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Sendmail wants to auth local mails



Hello All!

I have a problem with my Sendmail on Debian.
We use Fedora for a mail server over the past few years, but we change to a Debian. We have TLS+SMTP AUTH configured fine, and working on Fedora, but in Debian there is a problem, that sendmail wants to auth on local-to-local mails. Mail from outside the server working fine, but if I wish to send a mail from local to another local user, Sednmail dosen't recognze it as a local mail, and is want to authenticate for relaying. Here is an example from a "dead letter", when cron try to send a mail to root:
"
The original message was received at Fri, 30 Jan 2009 06:25:17 +0100
from root@localhost

  ----- The following addresses had permanent fatal errors -----
root
   (reason: 530 5.7.0 Authentication required)
   (expanded from: root)

  ----- Transcript of session follows -----
... while talking to [127.0.0.1]:
>>> MAIL From:<root@gophernet.hu> SIZE=665 AUTH=root@gophernet.hu
<<< 530 5.7.0 Authentication required
554 5.0.0 Service unavailable
"
My domain names is set fine, the sendmail config is the same that we used over 3 years with no problem, so I have no idea, what is wrong.
Even the Google don't help, I just find an user with the same error.
Please help me to solve this, if your have any idea.

Best Wishes
Laszlo


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