How to send Email in HTML Format?

If you get a requirement to send an email from Siebel, the very simple way is to make use of OOB business service, i.e "Outbound Communications Manager" with the method "SendMessage". Following input parameters would be enough for this purpose: a) MsgToList b) MsgSubject c) MsgBody d) CommProfile Here below is the working example for the same: var inp = TheApplication().NewPropertySet();