[AusNOG] MS Exchange issues with Telstra

[Mark ZZZ Smith]

+1


This query reminded me of this story:

"ISPs Removing Their Customers' Email Encryption"
https://www.eff.org/deeplinks/2014/11/starttls-downgrade-attacks



I'd find interference with TLS/SSL traffic quite suspicious, as I'd say more often than not it is intentional. The result of any level of interference is the introduction of a man-in-the-middle, breaking end-to-end security.

The only situation I'd find it slightly tolerable is in an enterprise where the enterprise has the right to monitor the use of its own resources. That being said, would enterprises also record all phone calls their staff make and receive using company phones including personal ones, violating phone call privacy? Probably not.
There is past form of Telstra doing dodgy things with mobile Internet traffic :

"Telstra accused of Next G web 'stalking'"
http://www.smh.com.au/digital-life/mobiles/telstra-accused-of-next-g-web-stalking-20120705-21ivs.html


________________________________
From: Geordie Guy <elomis at gmail.com>
To: Russell Langton <russell3901 at gmail.com> 
Cc: "Ausnog at ausnog.net" <ausnog at ausnog.net> 
Sent: Wednesday, 4 March 2015, 18:36
Subject: Re: [AusNOG] MS Exchange issues with Telstra



Can there be a reply to this on-list? I've seen it before and it later mysteriously goes away. It's basically on my list of things I want to understand one day.




On Wed, Mar 4, 2015 at 5:35 PM, Russell Langton <russell3901 at gmail.com> wrote:

Hi Cameron,
>Ive sent you an email.
>On 04/03/2015 5:31 PM, "Cameron Worts" <cameron at perthwebhosting.net.au> wrote:
>
>Guys,
>> 
>>I got a few clients with mobile devices who are with Telstra and can’t connect to our MS exchange server using SSL imap/pop3. I  can confirm that it’s working fine over wifi and using other carriers but not Telstra.  We have tried connecting the same account up on three different iphones – two of them been with Telstra and one with Optus. The mobile using Optus works perfectly whilst the mobiles on the Telstra network does not work. We can get to the owa page fine on all connections.
>> 
>>Before anyone says, Have you contacted Telstra, I can’t as I don’t have any services with Telstra.  
>> 
>>Regards,
>>Cameron 
>> 
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