[AusNOG] Telstra and port 25 for iPhone outbound

[Darren Moss]

Hi David,
 
Thanks for that.
 
I can't physically test myself as I am in Auckland, New Zealand.
 
The guys in Aussie were able to test and the secure SMTP approach worked
well.
 
It also worked for me on Voda.
 
Cheers.

Regards, 
 
 
Darren Moss
General Manager
Australia and New Zealand
[p] 1300 131 083 [f] 03 9017 2287
[e] Darren.Moss at em3.com.au [w] www.em3.com.au <http://www.em3.com.au/> 

em3 People and Technology | Managed Technology Experts
postal: PO Box 2333, Moorabbin VIC 3189

New Zealand Airedale Street, Auckland City
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[p] 09 887 0550 [f] 09 887 0273


 

________________________________

From: ausnog-bounces at lists.ausnog.net
[mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of David Connors
Sent: 2010-03-15 5:46 pm
To: ausnog at ausnog.net
Subject: Re: [AusNOG] Telstra and port 25 for iPhone outbound


On 15 March 2010 16:10, Darren Moss <Darren.Moss at em3.com.au> wrote:


	Thanks everyone for your input, much appreciated. The happy
medium is secure SMTP sending and so far we've configured 10 handsets
which are all working. In answering my original question, yes Telstra
blocks port 25 outbound via third party, however it does actually still
work for some handsets.... but not reliably.


Seems to work fine for me (I can telnet to our SMTP server here at
work). As Jay suggested, a specific apn might block it while another
might not. 

Totally guessing here, but if you used a BigPond APN it might block it
where as a telstra.internet one might not ... ? That might explain your
variability on a phone to phone basis. 

If your back-end mail system is Exchange or Google Apps (or anything
else that talks Active Sync), I'd suggest using that instead of SMTP
(push mail, calendar, contact sync etc). 

David. 

-- 
David Connors (david at codify.com)
Software Engineer
Codify Pty Ltd - www.codify.com
Phone: +61 (7) 3210 6268 | Facsimile: +61 (7) 3210 6269 | Mobile: +61
417 189 363
V-Card: https://www.codify.com/cards/davidconnors
Address Info: https://www.codify.com/contact


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