Craig White wrote:
> On Mon, 2007-02-26 at 02:51 -0700, David Bendit wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> On Feb 25, 2007, at 9:44 PM, der.hans wrote:
>>
>>> Set up and
>>> run your own mail server and web server. Learn how to keep your own
>>> firewall secure and how to subnet your network for servers on one
>>> side and
>>> desktops on the other. If you only have two boxes, setup virtual
>>> interfaces and pretend :). If you only have one box, setup virtual
>>> interfaces and pretend even more.
>> Actually, I've been wondering about this for a while, and I've never
>> found a way to do it. Is there a way to run a mail server on a
>> standard account (non-business) with a port-blocking ISP? I'm going
>> through Cox, and they block all the fun ports (80, 25, and a bunch
>> more). I've even been able to set up postfix before, but only for
>> intra-network mail. To get mail out, I had to use a relayhost, and
>> the only way I could find to get mail in always involved a forwarder.
>> However, with the forwarder, most spam blocking measures
>> (greylisting, RBLs, etc.) were rendered useless. If you guys can
>> offer any tips, that'd be great.
> ----
> the answer is that you can't. Things like greylisting and RBL's are only
> useful at the point where an SMTP server that is designated as the MX
> for your domain. Whether you retrieve your email from that system via
> ETRN, fetchmail or other methods, at that point, the mail has already
> been accepted and thus greylisting or RBL blocks and even bouncing mail
> is futile or worse.
>
> Craig
>
Painfully true. FWIW though, Qwest isn't block any ports on my connection
(knock wood).
--
-Eric 'shubes'
---------------------------------------------------
PLUG-discuss mailing list -
PLUG-discuss@lists.plug.phoenix.az.us
To subscribe, unsubscribe, or to change you mail settings:
http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
(text/plain)