Settings on the Internet Mail Gateway Server 
Purpose
Settings for the functionality of the SAP Internet Mail Gateway and for the adaptation of mailing programs to the gateway are carried out on the Internet Mail Gateway server.

The following terms are used in this documentation to distinguish between the two configuration files:
Process Flow
Carry out the following activities:
The following graphic illustrates with the help of the mailing program sendmail with the configuration file Sendmail.cf, which tasks the configuration profile and the configuration file have:
For outgoing messages, Mlunxsnd reads from the configuration profile the command to call up the sendmail. For incoming messages the sendmail reads from the configuration file which Internet messages are transferred to Mlsomail. Mlsomail reads the logon data of the RFC user to the R/3 System from the configuration profile.