How to stop DNS lookups of sendmail MX records

(Doc ID 1672348.1)

Last updated on JULY 11, 2017

Applies to:

Solaris SPARC Operating System - Version 10 1/13 U11 and later
Information in this document applies to any platform.


In a DNS environment where there is an MX record for "mailhost":
sendmail will attempt to use "mailhost", even if a "SMARTHOST" has been configured for "DS" in /etc/


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms