Did you change ISP?
Try run /usr/lib/sendmail -qv which will print some debugging info
AFAIR.
try and ping your ISP mail server and make sure you can find that server
in /etc/mail/sendmail.cf (or /etc/sendmail.cf) if you do a grep on that
file.
grep "mail.server.ie" /etc/sendmail.cf
should print something.
did you play around with dns settings recently?
Donncha.
Dermot Gorman wrote:
>> I've used Donnchas sendmail installer to send and recieve my mail from a
> dial up connection and it worked perfectly for months until yesterday,
> fetchmail -v still works and gets mail but /usr/lib/sendmail -q no longer
> sends the mail. issuing a /usr/lib/sendmail -bp shows a list of mail stuck
> in the queque. I uninstalled sendmail and sendmail.cf rpm's and reinstalled
> them then reconfigured using Donnchas handy script. fetchmail works fine but
> sendmail still errors out with 'can detect host' 'lookup failure'.
>> any ideas,
> what could have caused this considering that i didn't tamper with any files
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