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Re: sendmail: 'Unrecognized host name'

konf@lwis.net wrote:
> I am trying to make my sendmail work and it should work when I fix
> this problem:

I *strongly* recommend using either Postfix or Exim.

  apt-get install postfix

> sendmail -bv something@domain.net returns something@domain.net...
> Unrecognized host name lyderis.com.

Look for a smarthost option in your sendmail.cf file that is trying to
relay mail to lyderis.com.  Fix your DNS so that it can look up
lyderis.com because that does seem to be a hostname with valid DNS so
your system should be able to look it up regardless.


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