[AusNOG] Telstra and port 25 for iPhone outbound

[Dasmo]

iPhones use port 587 by default, so if someone has port 587 enabled as message submission one the server, it will work. The end user may think port 25 is open because they didn't have to change any settings. 


On 15/03/2010, at 4:40 PM, Darren Moss wrote:

> Hi Noggers,
>  
> Can anyone tell me if Telstra blocks port 25 SMTP outbound on their 3G network for iPhones ?
>  
> We have a client who claims Telstra says "the outbound email sending via non-Telstra ISP is _not_ blocked for iPhones".
>  
> Our experience is that this is generally blocked for customers wanting to send messages via their own ISP (ie: not using Telstra) and that we need to configure mail.bigpond or similar as the outgoing SMTP service.
>  
> Happy to hear from others here.
>  
> 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
> 
>  
> em3 People and Technology | Managed Technology Experts
> postal: PO Box 2333, Moorabbin VIC 3189
> 
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