import win32com.client as win32

outlook = win32.Dispatch("Outlook.Application").GetNamespace("MAPI")

outbox = outlook.GetDefaultFolder(6)

messages = messages = outbox.Items.restrict("[SentOn] > '5/31/2017 08:00 AM'")

for message in messages:
    NewMsg = message.Forward()
    NewMsg.To = "mail@mail.com"

import win32com.client as win32

outlook = win32.Dispatch("Outlook.Application").GetNamespace("MAPI")

outbox = outlook.GetDefaultFolder(6)

#try the restrict method!
messages = outbox.Items.restrict("[SentOn] > '5/30/2017 12:00 AM'")

for message in messages:
    print message

import win32com.client as win32

outlook = win32.Dispatch("Outlook.Application").GetNamespace("MAPI")

outbox = outlook.GetDefaultFolder(5)

messages = outbox.Items.restrict("[SentOn] > '5/30/2017 08:00 AM'")

for message in messages:
    NewMsg = message.Forward()
    NewMsg.Body = message.Body
    NewMsg.Subject = message.Subject
    NewMsg.To = "mail@mail.com"
    NewMsg.Send()