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Old 09-08-2008, 01:15 PM   #1
/dev/me
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Sendmail vs host.domain, featuring DNS


Ehm...

This may be a stupid question, but I all of a sudden realized I had one more thing unresolved that I need to know before I build my new machine tomorrow.

I'm getting a new machine to act as server, and it's going to be headless. I want sendmail to run on it, too.

On my old machine I was able to get sendmail to send mail. But I wasn't able to get it to receive mail.



I have a DynDNS registration. Let's say mymachines.dyndns.net

How does this affect the functionality of sendmail? What I want to know is this. Should I name my new machine
server.mymachines.dyndns.net

or doesn't this affect the working of sendmail?
 
Old 09-08-2008, 06:17 PM   #2
gilead
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You don't have to name the box server.mymachines.dyndns.net, but it should be one of the names the box uses in either /etc/hosts or /etc/mail/local-host-names if you want sendmail to deliver mail locally for server.mymachines.dyndns.net. Usually sendmail refers to those files to determine whether to deliver locally or to relay.

To enable sendmail's use of /etc/mail/local-host-names you need to generate sendmail.cf with the following line in sendmail.mc:
Code:
FEATURE(`use_cw_file')dnl
 
Old 09-09-2008, 12:28 AM   #3
/dev/me
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OK thanks!
 
  


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