Hi,
Check your Reverse DNS records. Your client IP's should have Reverse DNS
records or at least the subnet of your clients should be recorded in IP
Reverse Mappings on your name server.

Or maybe, you can disable Reverse DNS Lookups of your Mail Server.

Take it easy.

qmail
Simply The Best

----- Original Message -----
From: "jack" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, April 17, 2001 9:00 AM
Subject: why the connection speed is so slow ?


> Hi,all:
> I have built a qmail on my firewall.when I connect qmail from my client
MUA,I found the
> speed is very slow.The welcome information will not been seen in a
minutes. Why
> this things happened ?
> and because I use firewall ,there are tow NICs. When I see the orignal
information of the
> letter,I found I can see the ip address of the firewall internal ip
address.how can i hide
> my inter address ?
>             jack
>             [EMAIL PROTECTED]
>
>

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