Component : Internet Communication Manager - Communication Services: Mail, Fax, SMS, Telephony

Solution : https://service.sap.com/sap/support/notes/1747180 (SAP Service marketplace login required)

Summary :
This SAP Note details methods for implementing SMTP via TLS and SMTP authentication in systems running at least version 7.31 Support Package 6 and a 7.21 kernel. It explains how to configure SMTP settings for incoming emails on AS ABAP systems, focusing on server port parameters such as TLS encryption levels and authentication mechanisms. Specific configurations like 'icm/server_port_' are also elucidated with examples on setting security protocols, required users, and their authentication methods, ensuring secure email communication. Supplementary troubleshooting assistance is referenced in SAP Note 1702785.

Key words :
authusers=<smtp user authentication>] configuration            tls, internet standard rfc 4422 describes, parameter icm/server_port_<xx>, incoming e-mails authusers, user/password query external, icm/server_port_1 = prot=smtp, smtp-specific configuration options, vclient=<ssl client verification>, incoming e-mails plain, tls=<smtp tls usage>

Related Notes :

1728283	SAP Kernel 721: General Information
1724704
1702785