How to turn sendmail authentication off

Will Yardley fedora-list at
Fri May 27 18:31:52 UTC 2005

On Thu, May 26, 2005 at 09:02:45AM +1200, Cameron Beattie wrote:

> OK thanks. I am getting a message  "[] 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.


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