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I am experiencing a little trouble setting up sendmail (8.12.11) on Fedora Core 2. A have a simple sendmail.mc:
dnl This is the sendmail macro config file. If you make changes to this file,
dnl you need the sendmail-cf rpm installed and then have to generate a
dnl new /etc/sendmail.cf by running the following command:
dnl m4 /etc/mail/sendmail.mc > /etc/sendmail.cf
VERSIONID(`Linux Fedora Core 2 setup')dnl
FEATURE(access_db, `hash -T<TMPF> /etc/mail/access')dnl
dnl NV - revisit for real time blackhole
dnl We strongly recommend to comment this one out if you want to protect
dnl yourself from spam. However, the laptop and users on computers that do
dnl not have 24x7 DNS do need this.
The problem I am experiencing is in *sending* mail from a win2K (sp4) box. I receive mail properly. So, when I try to send mail (using Netscape mail v7.2), I get prompted for a password. I supply the same username/password that I can ssh into the linux box with. That fails to get authenticated, so after I cancel, I get this in /var/log/maillog:
<hostname> [192.168.2.2] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
Now the funny thing is that I can send mail with Outlook express -- no problem.. I am guessing this has something to do with the authentication that sendmail uses. I sifted through sendmail configuration links on google, but couldn't figure it out. Could this be a FEATURE from my sendmail.mc that's missing or wrong?
Also potentially significant is that I have based my sendmail.mc (and .cf of course, that I got by running m4) on a RedHat 7.3 version that I rebuilt with Fedora Core 2.
I'm a bit stuck with this and will greatly appreciate any help..