Re: [tlug] sendmail problems. Host lookup deferred.

[Jonathan Q <jq@example.com>]

On Thursday 08 May 2003 15:34, Nguyen Vu Hung wrote:

> The email above was sent from a 192.168.1.x client. I dont know why but I
> can send emails from x.x.x.x.58( the mail server itself) but from
> 192.168.1.x or outside, it is impossible.

Questions:

Do you have any firewall rules that do not allow DNS replies to get
back to your mail server?  

When you send mails from the mail server, are they in fact being
relayed through it, or are they going directly to an external SMTP
host?

What do you see in your logs?

Jonathan
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Jonathan Q
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