Re: problem of sending mails from my exchange to hotmail or yahoo



Do you have SMTP fixup enabled on the on pix? If so, disable and test.



On Sun, 24 Apr 2005 02:17:06 -0700, mohammad ali <mohammad
ali@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

>hi ,
>
>the scenario is that my ezchange is behind the pix firewall and connected
>through smtp filter for exchange , the norton antivirus server is also
>running the exchange and domain or on the same machine the ip is 172.16.100.3
>one week before the mails are going to hotmail or yahoo with out any problem
>but after one week what happens to exchange it is not connected to these
>servers when ever i send mails to hotmail or yahoo the query comes out that
>the exchange is unable to connect to yahoo or hotmail and when i send mail to
>hotmail or yahoo the error occured is like this ""The message could not be
>sent because one of the recipients was rejected by the server. The rejected
>e-mail address was 'smartali2@xxxxxxxxxxx'. Subject 'hi ', Account:
>'172.16.100.3', Server: '172.16.100.3', Protocol: SMTP, Server Response: '550
>5.7.1 Unable to relay for smartali2@xxxxxxxxxxx', Port: 25, Secure(SSL): No,
>Server Error: 550, Error Number: 0x800CCC79" and i have also the ptr records
>means the reverse lookup zone is also working fine because when i run the
>command nslookup it will provide me the name of the server so plzz tell me
>the suggestion what i have to do now thanks, ali

.



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