On Wednesday 12 May 2004 22:18, Randall Shaw wrote:
> What exactly does "AUTH_REQUIRED" do in the etc/esmtpd file ?
> 
> So, begs the question, then how do I set it to just clients? And not for
> mail being delivered to clients from outside mail servers?

You don't have to set anything.  Courier is set up like that by default.  By 
default courier will ONLY accept mail for domains listed in the 
esmtpacceptmailfor file.  It will, however, accept and relay mail for any 
sender who authenticates first.  You can also add ip addresses/ranges into a 
file in the smtpaccess directory and courier will accept and relay mail for 
any machines from those ip addresses.

This is normally exactly what you want and you don't have to change anything.  
This is the way it works "out of the box".  (If you made rpms, make sure you 
install the courier-smtpauth rpm.)  

If you set "AUTH_REQUIRED=1"  in the etc/esmtpd file then courier will ONLY 
accept mail from senders who authenticate first.  This means that regardless 
of what's in your esmtpacceptmailfor files, courier will not accept any mail 
unless the sender authenticates first.  This is usually not what you want.  

Jeff Jansen


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