StrBufAppendBufPlain(MsgBody, HKEY("Content-type: text/calendar\r\n\r\n"), 0);
StrBufAppendBufPlain(MsgBody, ser, serlen, 0);
StrBufAppendBufPlain(MsgBody, HKEY("Content-type: text/calendar\r\n\r\n"), 0);
StrBufAppendBufPlain(MsgBody, ser, serlen, 0);