Solution : https://service.sap.com/sap/support/notes/868729 (SAP Service marketplace login required)
Key words :
sapbwnews bw support package 14 netweaver'04 stack 14, mhtml mails created, character set reason, application code page, 50 import support package 14, support package, html contents, displayed directly, illegible marks, special characters
Related Notes :
| 836439 | SAPBWNews BW Support Package 14 NW'04 Stack 14 RIN |