Linux setup steps/Exim 4 configuration

From Nick Jenkins

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Exim 4 configuration:

Need to configure exim rather than remove it because the "at" package depends on a mail-transport-agent package.

dpkg-reconfigure exim4-config

Then choose these options:

Split configuration into small files? No [default]
General type of mail configuration:  internet site; mail is sent and received directly using SMTP
System mail name: YourHostName.com
IP-addresses to listen on for incoming SMTP connections: 127.0.0.1
Other destinations for which mail is accepted:  <blank>
Domains to relay mail for: YourOtherHostName.com
machines to relay for:  <blank>
Keep number of DNS-queries minimal (Dial-on-Demand)?  No
Delivery method for local mail:  mbox format in /var/mail/

[this allows mail to be sent locally, but not by other hosts connecting to this one]

If sending mail is not working:
To see the queue, and try to clear it out, do this:

exim4 -v -v -v -qff

To view the log messages, do this:

view /var/log/exim4/mainlog

or:

tail -f /var/log/exim4/mainlog
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