On Thu, Sep 15, 2005 at 03:00:06PM -0500, Jonathan Carpenter wrote: > I have 3 mail severs. 2 smtp server and 1 pop3 server running exim 4.43. I
> get this message in my /var/log/exim/mainlog
>
> SMTP protocol violation: synchronization error (input sent without waiting
> for greeting): rejected connection
>
> I have rejected connections from both of my smtp servers and also from my
> webserver that I have exim installed for perl and php scripts. Everything
> has been working great with this setup for around 2 months. I have around
> 150 message in my mail que on my pop3 server all from my webserver that are
> not being delivered even when I try to force delivery using exim -qff . Any
> help would be greatly appreciated
Are you using callouts to verify recipient / sender?
If so, you might be triggering a bug that was fixed in 4.50.
