Email A: create by NAV(use ‘NS Outlook Synchronization Handler’.OSendMail),
before Send out the email BodyFormat is HTML, Highlight by manual operation，
Email B: create by manual ,before Send out is HTML,has Highlight by manual.
both email sent out by the same email account,
and the same receive email account.
but received EMAIL A, only plain text format,it is wrong…
EMAIL B, HTML format,correct.
i hope when i receive EMAIL A the email bodyformat is HTML.
which one can help me ,thank you very much.