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Switched to Cisco 2621 and problems arise

I switched to a cisco 2621 from a bay asn. I can no longer receive emails from the outside world. I can get it internally, I can surf the net, but no emails are coming in from the outside. What do you suggest I check? I used config maker for this router and it has put a no access list section in the ios config. I don't have any access lists running. The only thing out of normal I use is NAT. Thanks.

Mail can be sent to the outside world. It can't get in though.

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Re: Switched to Cisco 2621 and problems arise

How is the NAT configured ?? Post sanitized cfg sections if possible.

You might have had some static NAT entries to map a public IP to your inside mail server IP address. If this isn't in Cisco config then this could block incoming mail if thats how it was configured.

Could be other things also... If you want you can email me your Bay ASN config and your Cisco config and I'll compare them and let you know whats needed on Cisco side.

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