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Inherited system setup. Ubuntu using mutt and sendmail to send emails is currently using on-premise Exchange Sever that is scheduled to be phased out. I have to change it so that it uses a builtin mail-server on our firewall instead. How does one change this?

h3ctiC
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With a standard ubuntu mutt and sendmail installation this is most likely configured in /etc/mail/sendmail.mc with the name SMART_HOST

After changing sendmail.mc you will need to run a make (to 'compile' the configuration) and restart sendmail.

Koos van den Hout
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  • Thanks for your reply, but I neither have that "sendmail.mc" directory nor a "SMART_HOST" file anywhere on my system, so..not standard then I guess. – h3ctiC Jan 04 '23 at 19:39