How to turn sendmail authentication off

[Paul Howarth]

On Fri, 2005-05-27 at 11:31 -0700, Will Yardley wrote:
> On Thu, May 26, 2005 at 09:02:45AM +1200, Cameron Beattie wrote:
> 
> > OK thanks. I am getting a message  "[127.0.0.1] did not issue 
> > MAIL/EXPN/VRFY/ETRN during connection to MTA" in my maillog. I thought that 
> > was authentication related but perhaps it isn't. Any ideas what may be 
> > causing that?
> 
> That sounds like something (maybe a monitoring system) opening up a
> connection to port 25 and either disconnecting immediately or sending
> HELO / EHLO and then disconnecting. So something on your local machine
> is opening up a connection on port 25, and then disconnecting without
> doing anything.

Running nmap for instance could cause this to happen.

Paul.
-- 
Paul Howarth <paul at city-fan.org>