SMTPMTA Notes Inbound

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Check if you have in the network setting under DNS that you have a fullly qualified name ie "name" and "domain" also make sure you can telnet from your mail server to an outside server via port 25 this will confirm that you are not being block by a filter rule on some router or firewall. Finally check that you do not have listed a relay server that is no longer available

Inbound SMTP communications is initiated by the sending server.

Most companies setup inbound SMTP main in one of two ways. The first is by having the domino server sitting in the DMZ where other mail servers on the internet can connect to it directly and the second ( and more common ) solution is to have the company firewall relay the mail to the Domino server on the internal WAN.

In both cases you will need to check the external DNS. Make sure that the MX records for your public mail domain point to the IP address of the relay server or public domino server. If you are using a relay server make sure its setup correctly to relay the mail to the internal domino server.

Then in the Domino name and address book make sure you have setup a 'Global Domain' document that specifies all the fully qualifies smtp domain in use in your company. In most cases there is only the one ( companyname.com ) but if there are more then enter them all into the 'Alternative Internet Domains' field of the document. Also it is a good idea to enable the 'Internet Address Lookup' field so that the internet address specified in each users person document is always used for conversion.

To test that everything is setup correctly telnet into the IP address specified in the MX record on port 25 and manually initiate a smtp transfer.

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