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Musafeer79Flag for Australia

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Can't send mail to a particular domain

I have set up a new SBS 2003 with exchange.Could send & receive mails to all domain except a particular domain.So I created an SMTP connector which fixed the problem of sending mails to this domain but still I can't receive mails from this domain.We support both the domains,this domain uses exch 5.5.Telnet on port 25 fails for both domains.Pls let me know what else I should check.
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Sembee
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If a telnet test fails then either something is blocking the traffic or there is a routing problem. This probably has nothing to do with Exchange at all. You could try setting the smart host to send email out through your ISPs SMTP server while you investigate.

Simon.
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Musafeer79
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ASKER

Thanks,yes for the domain with exch SBS 2003 ,I have created additional smtp connector & used my ISP as smart host & then only i was able to send mails to the problem domain.Other domain I use DNS to forward mails.Do u reckon I should do the same on the exch 5.5 domain.Pls advise steps on what needs to be done on the exch 5.5 server.
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Sembee
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Can't really help with Exchange 5.5 queries, I haven't seen an Exchange 5.5 server for over nine months. You should try and identify why the two servers cannot see each other. It may be a problem with the ISPs, DNS records etc.

Simon.
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Musafeer79
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ASKER

Spoken with the ISP guys ,they claiming everything is fine their end.any other test i can run pls.
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Musafeer79
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Could anyone else pls comment on this issue.
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Sembee
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Musafeer79
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ASKER

Thanks Simon,There was a problem with ISP ADSL in the city where this was installed.I built a replica test server & got it working in my office.Thus forcing ISP to look into the routing in that area.