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Title: sendmail with SMTP, but without DNS

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sendmail with SMTP, but without DNS

Symptom:

You have configured a local net without Domain-Name-Services (DNS), all hostnames are defined in /etc/hosts, the hosts can be accessed via that name.

You can receive mails, however it is impossible to send mails. You see a message like

sendmail: Hostname lookup failed
in the file /var/log/messages.

Cause:

Sendmail was configured for SMTP and DNS. The entries in /etc/hosts aren't recognized at all.

Solution:

Further information concerning /etc/service.switch can be found in the file /usr/doc/packages/sendmail/op.ps, page 48f .

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See also:

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Keywords: SENDMAIL, SMTP, DNS

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Categories: Email

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Mainpage o Searchform o History o Versions o Categories o Contents
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SDB-sendmail, Copyright SuSE GmbH, Nuremberg, Germany - Version: 27. Jan 1999
SuSE GmbH - Last generated: 07. Oct 1999 18:03:03 by maddin with sdb_gen 1.00.0