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Help please

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by firmapost

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Hello i have the following problem with a client of mine.

Today i installed a adsl line and a pix 501 firewall. They used to have a isdn dialup connection.

Everything seems to be working perfectly, but they are unable to recive mail via the exchangeserver 5.5 and NT. Sending mail works fine.

What could be the problem? And how do i fix it.
Is the problem with the exchange 5.5 og with the pix blocking all incoming traffic?

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by cg it

humm right off the bat sounds like it's a DNS problem but yes, the PIX firewall could be blocking inbound port 25 traffic if you haven't set it up to foward port 25 traffic. Could be the NSs haven't updated the MX record to point to the ADSL TCP/IP address.

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