External Sending

SCOT : SAPconnect - Administration (system status)
SU01 : User Maintenance - Initial Screen
SM59 : configuration of RFC Connections
SICF : Maintain Services
SO12 : Private office settings
SO16 : Shared office settings

http://help.sap.com/saphelp_nw70/helpdata/EN/55/a8b538891b11d2a25a00a0c943858e/frameset.htm