Sendmail on a LAN
Ed Greshko
Ed.Greshko at greshko.com
Wed Aug 18 14:13:20 UTC 2010
On 08/18/2010 09:13 PM, Tim wrote:
> The trouble is that the problem is external, and out of your control.
> Others can use any number of filtering techniques, good or bad. If your
> on just one black list, that's a problem.
Yes, many things are external to ones system and out of ones control.
And, yes, it may be problem...but it may only be a minor annoyance.
> You can also strike the other blacklisting issue. e.g. One of my former
> ISPs, Optus, was on many blacklists for doing sweet Fanny Adams about
> spam coming through their systems. Any IP associated with them was
> tarred with that brush, and your mail could get rejected, no matter how
> you tried sending (your own SMTP server, their SMTP server...). To make
> matters worse, they're one of the big ISPs and telcos in this country,
> and the backbone for many smaller ISPs. That situation went on for
> years and years. Long after I left them they were still in that boat,
> and I've given up checking to see if it is still the case.
>
I know what you mean about being tarred with a brush. That is why I
used the term "good" RBL service. I know of at least one RBL service
that blacklists on a country basis. For those persons/companies
subscribing to that server my emails are blocked since I happen to live
in one of the "bad" countries.
FWIW, I'm not a fan of RBL services and while many of them exist I've
not seen any data as to how widely used they are.
--
You are only young once, but you can stay immature indefinitely. 葛斯克
愛德華 / 台北市八德路四段
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