Re: [PLUG] Debian + Exim help

[Gyoza <gyoza@comcast.net>]

Dayton Gray wrote:

> I am wondering if someone might have an idea as to a slowness problem I am 
> having with Exim running on Debian stable. Whenever I telnet to port 25 from 
> an outside network, there is a decent delay before I get the Exim prompt to 
> send mail (about 30 seconds or so). It works fine on the server itself and 
> various DNS lookups to anything are very quick. Here are some troubleshooting 
> steps I've taken:
>
> I have commented out the host_lookup line in the configuration file and set 
> my firewall rules to reject all requests on port 113 (ident). I have run the 
> daemon with -d to help debug (this did not show anything of interest).
>  

I just have a couple comments that may not be helpful.  Check for 
reverse name resolution: IP to hostname.  When I block the AUTH port I 
experienced delays when authenticating with an IMAP server.

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