Mailing List Archive: SPF: Discuss

Blackberry and SPF

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stuart at bmsi

Apr 23, 2007, 2:49 PM

Post #1 of 4 (1336 views)
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Blackberry and SPF

Is there any way to get blackberry email to relay using SMTP AUTH through
an authorized server? Or are blackberry users pretty much confined to
their blackberry.com address? Apparrently (I don't personally have a
blackberry), setting the "reply to email" on blackberry causes it to forge
the email in MAIL FROM. This is a problem when the forged email is gmail
or even aol. I would like to tell such users (that want to hide their
blackberry email) to use their own domain and relay through their
own server. But there needs to be a way for them to do that.

Perhaps you have to buy some "enterprise" option to actually have
fully functional email?

--
Stuart D. Gathman <stuart [at] bmsi>
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.

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scott at kitterman

Apr 23, 2007, 3:36 PM

Post #2 of 4 (1249 views)
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Re: Blackberry and SPF [In reply to]

On Mon, 23 Apr 2007 17:49:27 -0400 (EDT) "Stuart D. Gathman"
<stuart [at] bmsi> wrote:
>Is there any way to get blackberry email to relay using SMTP AUTH through
>an authorized server? Or are blackberry users pretty much confined to
>their blackberry.com address? Apparrently (I don't personally have a
>blackberry), setting the "reply to email" on blackberry causes it to forge
>the email in MAIL FROM. This is a problem when the forged email is gmail
>or even aol. I would like to tell such users (that want to hide their
>blackberry email) to use their own domain and relay through their
>own server. But there needs to be a way for them to do that.
>
>Perhaps you have to buy some "enterprise" option to actually have
>fully functional email?

Yes and it's a whole server package. Blackberry is not really an internet
mail appliance IMO. It is connected to the internet via a proprietary mail
gateway. What I've done is test and find the small number of IP addresses
my customer's Blackberry provider uses and had them add them to their SPF
record. Not a great solution, but the best I've come up with.

Scott K

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sethg at goodmanassociates

Apr 24, 2007, 6:45 AM

Post #3 of 4 (1238 views)
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RE: Blackberry and SPF [In reply to]

Scott Kitterman <mailto:scott [at] kitterman> wrote on Monday, April 23,
2007 5:37 PM -0500:

> On Mon, 23 Apr 2007 17:49:27 -0400 (EDT) "Stuart D. Gathman"
> <stuart [at] bmsi> wrote:
> > Perhaps you have to buy some "enterprise" option to actually have
> > fully functional email?
>
> Yes and it's a whole server package. Blackberry is not really an
> internet mail appliance IMO. It is connected to the internet via a
> proprietary mail gateway. What I've done is test and find the small
> number of IP addresses my customer's Blackberry provider uses and
> had them add them to their SPF record. Not a great solution, but
> the best I've come up with.

Sounds practical. Do these gateways change if your user travels?

--
Seth Goodman

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scott at kitterman

Apr 24, 2007, 7:10 AM

Post #4 of 4 (1256 views)
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RE: Blackberry and SPF [In reply to]

On Tue, 24 Apr 2007 08:45:23 -0500 "Seth Goodman"
<sethg [at] goodmanassociates> wrote:
>Scott Kitterman <mailto:scott [at] kitterman> wrote on Monday, April 23,
>2007 5:37 PM -0500:
>
>> On Mon, 23 Apr 2007 17:49:27 -0400 (EDT) "Stuart D. Gathman"
>> <stuart [at] bmsi> wrote:
>> > Perhaps you have to buy some "enterprise" option to actually have
>> > fully functional email?
>>
>> Yes and it's a whole server package. Blackberry is not really an
>> internet mail appliance IMO. It is connected to the internet via a
>> proprietary mail gateway. What I've done is test and find the small
>> number of IP addresses my customer's Blackberry provider uses and
>> had them add them to their SPF record. Not a great solution, but
>> the best I've come up with.
>
>Sounds practical. Do these gateways change if your user travels?
>
No it's tied to the service provider. British Telecom in this case IIRC.

Scott K

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