Re: qmail-smtp

[Claudio Jeker <jeker@n-r-g.com>]

On Thu, Apr 12, 2007 at 11:58:59AM +1000, Daniel Camacho wrote:
> Hi,
> 
> I'm using qmail-ldap and recently been encountering problems with 
> qmail-smtpd. Before, when I telnet to port 25 from and external source, 
> I was able to go through the process. Now, when do it, it hangs. When I 
> do it locally, it works  fine. I don't have any filters in place. I have 
> another qmail server (not qmail-ldap) and it works fine. Can anyone shed 
> some light on this?
> 
> I'm also using simscan and qgreylistrbl for greylisting. I tried 
> removing both to see if they're the culprit but are not. Thank for any help.
> 

Reverse DNS lookup can cause some delay (hangs) on connect. Check the
tcpserver flags you use.

-- 
:wq Claudio