Black berry

Matus UHLAR - fantomas uhlar at
Tue Dec 7 12:37:01 UTC 2010

On 07.12.10 11:06, Ejaz wrote:
> We have problem in sending mail emails when using black berry device,
> problem is like user cannot send emails either inside or outside the domain
> when some one connected to our ISP and use our DNS server, 
> Does it require any special configuration of bind in named.conf file for
> the blackberry users?

no. You only must configure DNS properly.

> The following message to < <mailto:mallen at> xxx at> was
> undeliverable.
> The reason for the problem:
> 5.4.7 - Delivery expired (message too old) 'DNS Soft Error looking up
> (MX) while asking Error was: unable to reach
> nameserver on any valid IP'

And you must count with the fact that with blackberry, your mail is not
coming from your internal network, so your mailservers have to be reachable
from the internet, or at least from blackberry IP ranges.
Matus UHLAR - fantomas, uhlar at ;
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
2B|!2B, that's a question!

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