on mailserver log this ip does not exists . The ip is a mailserver ip .
Then I searched on shorewall dump and on /var/log/messages but no signal of this
ip . If I turn off shorewall , he can send and I can see the ip on maillog .


Graziano wrote:
  
Hi Tom Eastep

I appreciate the free service , but I don't want send my shorewall dump
to a mailing list , since it contains info which I consider private.
I could be more than happy to pay for assistance or to donate to receive
assistance from a single shorewall guru and not
a mailing list.
    

Have you made any attempt to systematically troubleshoot the problem?

a) Are you seeing anything in the Shorewall log when mail delivery fails?
  

b) Are you seeing anything in the mail server logs on either end when
mail delivery fails?
c) Have you looked at the problem with a packet sniffer to see what is
happening? For example, is it the initial SMTP connection that is
failing or is the SMTP protocol failing after the initial connection?

Answering those questions is just basic network troubleshooting and does
not require a Shorewall Guru.

-Tom
  

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