On 17/9/2013 7:30 μμ, Denis McMahon wrote:
On Tue, 17 Sep 2013 18:17:43 +0300, Ferrous Cranus wrote:
So cant this be done in python or not?
or is a mtetr of configuring the MTA? conf file?
Python can not control data that is added to the message after it has
left the python program. If you want to retain maximum possible control
of the mail process from within python, you need to use a python module
that handles the smtp exchange with the destination mta, however even
then you can not control the content of header lines added by that
destination mta, which will invariably include the real[1] ip address of
your system.
[1] The ip address that it is sending ack packets to as part of the smtp
session, so unless you're using a proxy somewhere, this will be your
system's ip address. Can't fake it. If the other system doesn't know your
ip address, it can't send acks, and the tcp session fails.
Ah, now we are getting somewhere.
So the foreign MTA tests for real time connectivity with the local MTA
and it tries to detect a working host and ip address.
So even if we alter the hostname and the ip address of our localhost
then the smtp procedure will fail correct?
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