[CentOS] Sendmail

Kai Schaetzl maillists at conactive.com
Sun Nov 6 21:31:23 UTC 2005

Sam Drinkard wrote on Sun, 06 Nov 2005 11:41:10 -0500:

> Really, it's rather dumb to 
> me, that having a MTA that does not listen on port 25 out of the box.

It *does* listen there, just that it restricts itself to ;-) 
That's a security measure that most distributions introduced years ago. 
F.i. I have been using Suse before CentOS and they do it the same. Suse 
controls the sendmail.cf in their /etc/SuSEconfig/sendmail file where you 
can specify to listen on external IP as well or to not touch the 
sendmail.cf at all, etc. I don't know if Red Hat-based systems have 
something similar, it's possible that you can put that configuration 
option in the /etc/sysconfig/sendmail file as well (once you know the 
syntax - is there documentation about all sysconfig options somewhere?).


Kai Schätzl, Berlin, Germany
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