VBA code to send emails if column i = >5

Below is the code i use i need a check to see if column i is greater than 5, if it is then send the email if not do not send the email

Sub Send_Bulk_Mails()
Dim sh As Worksheet
Set sh = ThisWorkbook.Sheets("sheet1")
Dim i As Integer

Dim OA As Object
Dim msg As Object

Set OA = CreateObject("outlook.application")

Dim last_row As Integer
last_row = Application.CountA(sh.Range("c:c"))

For i = 2 To last_row
Set msg = OA.createitem(0)
msg.to = sh.Range("i" & i).Value
msg.cc = sh.Range("j" & i).Value & ";" & sh.Range("k" & i).Value
msg.Subject = sh.Range("l" & i).Value
msg.Body = sh.Range("m" & i).Value

msg.send

sh.Range("n" & i).Value = "1"

Next i

MsgBox "All emails have been sent"

End Sub