It's been a few years since you asked this, I just struggled with the same issue, where I wanted the signature to work regardless of who is sending. I figured I would still share here in case anyone else is having similar issues.
I'm not a great coder, but I was able to piece things together through a bunch of different articles/posts to get something working, so there is likely a more efficient way to execute this.
To get the signature, it effectively displays an empty e-mail with default signature, removes the white space, saves it, and then empties and discards the e-mail before moving to the final e-mail send (on my comp just discarding left the signature at the top of the final email). The signature is attached at the end of that e-mail, .HTMLBody is used for both instances.
Here is the full code with 'default' inputs, for anyone else that may stumble across:
Sub sig_and_email_send()
Dim OutApp As Object
Dim OutMail As Object
Dim signature As String
With Application
.EnableEvents = False
.ScreenUpdating = False
End With
Set OutApp = CreateObject("Outlook.Application")
Set OutMail = OutApp.CreateItem(0)
'gets default signature from e-mail
With OutMail
'2 = HTMLBody Format
.BodyFormat = 2
.Display
'deletes blank space present before signature
signature = Replace(OutMail.HTMLBody, "<p class=MsoNormal><o:p> </o:p></p>", "")
'removes entire e-mail contents and then closes with discard
OutMail.HTMLBody = Replace(OutMail.HTMLBody, OutMail.HTMLBody, "")
OutMail.Close 1
End With
On Error Resume Next
With OutMail
.to = "email@email.com"
.CC = "email@email.com"
.BCC = "email@email.com"
.Subject = "Subject"
.Attachments.Add "\\network\folder\documents\file.xlsx"
.HTMLBody = .HTMLBody & "Hi," & "whateveryourtextis" & _
"<br>" & "Thanks," & "<br><br>" & signature
.Display 'or use .Send
End With
On Error GoTo 0
With Application
.EnableEvents = True
.ScreenUpdating = True
End With
Set OutMail = Nothing
Set OutApp = Nothing
End Sub