Perhaps this will help.
SendMailMB(ToEmail, FromEMail, SubjectTxt, EText, , , , PDFfile, XlFil)
Function SendMailMB(ByVal sTo As String, ByVal sFrom As String, sSubject As String, sBody As String, Optional sCC As Boolean, _
Optional sBCC As Boolean, Optional sReplyTo As String = "", Optional...