[cisco-voip] SMTP relay

Charles Goldsmith wokka at justfamily.org
Wed May 10 10:22:17 EDT 2017


Yes and yes, for the IP authentication, customer would have to have a
static ip address.

On Wed, May 10, 2017 at 12:58 AM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:

>
> Very cool about the gmail relay service. Will have to look into that.
>
> Question though - are your servers not on private address space? Are they
> then NAT/PAT'ed to communicate out?
>
>
>
> Sent from my iPhone
>
> On May 10, 2017, at 12:09 AM, Charles Goldsmith <wokka at justfamily.org>
> wrote:
>
> AFAIK, RTMT cannot be authenticated.
>
> I wouldn't trust a windows solution, especially a free/low cost one.
>
> To me, an SMTP appliance is no better than me installing linux and setting
> it up, unless it is smart enough to auto update itself and protect itself
> (install and forget).  I'd hate for one of my customers to have issues with
> an email server getting compromised and spamming out their network.
>
> But, you pointed me to just googling an smtp appliance, which I didn't
> think to do, and found this article at google :
> https://support.google.com/a/answer/176600?hl=en which details SMTP relay
> to google with various options.  Has anyone used this and how reliable is
> it?
>
> Good thoughts, but let's see if someone else has ideas.
>
> On Tue, May 9, 2017 at 10:20 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
>
>>
>> Some things that pop into mind:
>>
>> - can rtmt be configured with authenticated smtp server? That
>> would/should allow you to use any mail system (including off prem if
>> routable rtmt host)
>>
>> - Google smtp appliance. I tried doing this a while ago and found some
>> options.
>>
>> - look for a Windows solution. Windows is easier to keep patched. *tongue
>> in cheek* there are usually windows experts around. As long as the o/s is
>> patched and the f/w is set so that only rtmt host can connect, should be
>> ok. You can go so far as to deploy on a small laptop with flash drive with
>> wired, wireless and 3/4G  connectivity to ensure that messages always go
>> out. Battery backup helps in case of power outage.
>>
>> Sent from my iPhone
>>
>> > On May 9, 2017, at 10:31 PM, Charles Goldsmith <wokka at justfamily.org>
>> wrote:
>> >
>> > Does anyone have thoughts on how to relay RTMT alerts for small
>> customers who have no local SMTP server?
>> >
>> > I know I can spin up a linux box, but then maintaining it, many
>> customers don't have the knowledge and there is always a risk when leaving
>> something like this unmaintained.
>> >
>> > Thanks!
>> > Charles
>> >
>> > _______________________________________________
>> > cisco-voip mailing list
>> > cisco-voip at puck.nether.net
>> > https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>
>
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