You can use iSeries™ Simple Mail Transfer Protocol (SMTP) server to receive mail for remote dial-up branch offices.
If your company has an iSeries server connected to the Internet and would like to receive mail for remote dial-up branch offices, the iSeries SMTP server can be used for this purpose.
The iSeries server must have a fixed IP address and be registered with a DNS. Each host.domain for which the remote dial-up servers will be retrieving mail must also have MX entries in the DNS pointing to this iSeries server. The iSeries server must also have aliases for these host.domains in its local host table. If the remote dial-up servers are iSeries servers, then they must be configured for scheduled batch ISP e-mail jobs.
To service e-mail requests from remote dial-up mail servers, complete the following steps: