[aklug] Re: Postfix and acs

I didn't want to give the impression that we (ACS) never block ports for
subscribers; only informing of the premise in which we would. And yes,
we (ACS) have quarantined users to find out later that they are pure
Linux or Mac household/offices.

Keeping up on those patches and security updates is an OS independent
task. :)

Awesome that you got your system notifications to work.

-Sean

On 04/07/2012 08:47 PM, Kevin Miller wrote:
> On 04/07/2012 12:21 PM, bdk wrote:
>> ACS will allow relaying from their IP address space regardless of the
>> MAIL FROM address provided it is a valid route-able domain so in the
>> case that an NDR does need to be sent to the originator, it can get
>> delivered.
>
> That makes sense.
>
>> ACS doesn't block ports for users by default. If you end up getting
>> quarantined for having an infected or malicious host on your system then
>> that is different and ports are blocked until the owner can remedy the
>> situation.
>
> Infected host? This is Linux, not some backwater Windows machine! <g>
>
>> Kevin, you don't need to use outbound SMTP authentication. Maybe Postfix
>> is trying first without and succeeding which is good.
>>
>> There should be an option within Postfix that will mutate the FROM
>> locally routable address to something that will play well with servers
>> not on your network. I don't use Postfix on my network but I suspect
>> that that is what you'll need to look for.
>
> Yes, your 2nd post (inserted below) pointed me in the right direction.
> ==========
> Kevin, found what will get ya (at least your emails) moving:
> http://www.cyberciti.biz/tips/howto-postfix-masquerade-change-email-mail-address.html
> or http://goo.gl/Q2KvS
> ==========
>
> I rolled back the SASL stuff, and edited my generic table, and it all
> works like I want it to now. I'll just drop a .forward file in my root
> directory, and system notices should land in my alaska.net account.
>
>> Whether you relay (smart-host?) through ACS or you choose to act as an
>> MTA and send directly, you'll need a valid return address on the email.
>>
>> HTH.
>
> It does indeed. Thanks much...
>
> ...Kevin
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Received on Sat Apr 7 21:00:46 2012