Dealing with large ISP Mailers

[Glenn Steen]

On 23/02/07, am.lists <am.lists at gmail.com> wrote:
> On 2/23/07, Gerard Seibert <gerard at seibercom.net> wrote:
> > Maybe I am misunderstanding you; however, you did mention
> > 'white-listing'. You would need to insure that Postfix does not block
> > your intended audience to insure that it does in fact reach MailScanner.
> > Of course, if you are not blocking at the MTA, that is not really a
> > concern. Personally, I block the obvious, such as 'open relays' before
> > they even get in the door.
>
>
> Sorry Gerard, My mistake. Yes, I'm talking about whitelisting. But
> really, to put it into simple terms, I don't want MailScanner to
> automatically flag certain things (RBL failure being the case in
> point) to flat 'definitely is spam' for things that I can put on a
> whitelist.  My main concern is this made up example of someone like an
> Avon salesperson using their AOL account to send special offer mail to
> everyone on their ditribution list. Of course it's spam to me based on
> my content rules (such as talking about offers, low price, limited
> time, etc.) but because I have to whitelist AOL to get the legit mail
> past the RBL blocks, I don't want this particular mail to get a free
> pass.
>
> Hopefully that's more clear. Sorry, it's Friday and I've only had one
> cup of coffee.
Look into the SpamAssassin "defailt whitelist" things... Either use
the rcvd_from or spf one for that particular mx... The whole problem
seems to be entirely SA, at least from afar:-).

Cheers
-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se