Hi,
Both cases were wrongly claimed to get fixed, run the sample and see both issues:
The 1st one still has:
< ! --[if !SupportsSharedCalendar]-- > Accept and view calendar
< ! --[endif]–>
The 2nd one does not rend…...original scenario you described (PST → MemoryStream → MailMessage...original scenario you described (PST → MemoryStream → MailMessage...