In FP2, Checkpoint's ESMTP implementation is not correct so if the remote MTA checks 
your syntax
the connections fail.

Ask for "Security Server" fix on FP2 from your support center.

fyi,
- yinal ozkan


--- "Messier, Michel" <[EMAIL PROTECTED]> wrote:
> Hi Marc,
>
> It usually means that the domain is not available. Can you, from your Nokia,
> telnet to mail server on the mail service? (telnet mail.ibm.com 25) If you
> can get a connection, then your firewall should be able to send the email.
> If you can't get a connection, then that is the reason why you get these
> messages.
>
> Hope this helps,
> Michel
>
> -----Message d'origine-----
> De : Marc TURPIN [mailto:[EMAIL PROTECTED]]
> Envoy� : 5 f�vrier, 2003 10:31
> � : [EMAIL PROTECTED]
> Objet : [FW-1] SMTP Problem (Connection to Remote MTA Failed)
>
>
> Hi,
>
> I've a big problem with my Nokia IP 440, IPSO 3.5 FCS10, FW1 NG FP2.
>
> We can recieved mail from anybody but we can't send mail to some domains.
>
> I've a "Connection to Remote MTA Failed" error message.
>
> Thanks for your help.
>
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